Generate color meta, document functions and tidy.

This commit is contained in:
Nate Butler
2023-02-12 19:45:16 -05:00
parent addfcdc1f4
commit 1fcfa5d272
11 changed files with 613 additions and 648 deletions
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// Adapted from @k-vyn/coloralgorithm
import bezier from "bezier-easing";
import chroma, { Scale } from "chroma-js";
import { Curve } from "./curves";
import { ColorFamily, ColorProps, ColorSet } from "./types";
function validColor(color: string) {
if (chroma.valid(color)) {
return color;
} else {
throw new Error(`Invalid color: ${color}`);
}
}
function assignColor(scale: Scale, steps: number, step: number) {
const color = scale(step / steps);
const lch = color.lch();
const rgbaArray = color.rgba();
const hex = color.hex();
// Roughly calculate if a color is dark or light
const isLight = lch[0] > 50;
const result = {
step,
hex,
lch,
rgbaArray,
isLight,
};
return result;
}
/** Outputs 101 colors (0-100) */
export function generateColors(props: ColorProps, inverted: boolean) {
const steps = 101;
const colors: ColorSet = [];
const { start, middle, end } = props.color;
const startColor = typeof start === "string" ? validColor(start) : start;
const middleColor = typeof middle === "string" ? validColor(middle) : middle;
const endColor = typeof end === "string" ? validColor(end) : end;
// TODO: Use curve when generating colors
let scale: Scale;
if (inverted) {
scale = chroma.scale([endColor, middleColor, startColor]).mode("lch");
} else {
scale = chroma.scale([startColor, middleColor, endColor]).mode("lch");
}
for (let i = 0; i < steps; i++) {
const color = assignColor(scale, steps, i);
colors.push(color);
}
return colors;
}
export function generateColorsUsingCurve(
startColor: string,
endColor: string,
curve: number[]
) {
const NUM_STEPS = 101;
const easing = bezier(curve[0], curve[1], curve[2], curve[3]);
const curveProgress = [];
for (let i = 0; i <= NUM_STEPS; i++) {
curveProgress.push(easing(i / NUM_STEPS));
}
const colors: chroma.Color[] = [];
for (let i = 0; i < NUM_STEPS; i++) {
// Use HSL as an input as it is easier to construct programatically
// const color = chroma.hsl();
const color = chroma.mix(startColor, endColor, curveProgress[i], "lch");
colors.push(color);
}
return colors;
}
export function generateColors2(
hue: {
start: number;
end: number;
curve: Curve;
},
saturation: {
start: number;
end: number;
curve: Curve;
},
lightness: {
start: number;
end: number;
curve: Curve;
}
) {
const NUM_STEPS = 9;
const hueEasing = bezier(
hue.curve.value[0],
hue.curve.value[1],
hue.curve.value[2],
hue.curve.value[3]
);
const saturationEasing = bezier(
saturation.curve.value[0],
saturation.curve.value[1],
saturation.curve.value[2],
saturation.curve.value[3]
);
const lightnessEasing = bezier(
lightness.curve.value[0],
lightness.curve.value[1],
lightness.curve.value[2],
lightness.curve.value[3]
);
const colors: chroma.Color[] = [];
for (let i = 0; i < NUM_STEPS; i++) {
const hueValue =
hueEasing(i / NUM_STEPS) * (hue.end - hue.start) + hue.start;
const saturationValue =
saturationEasing(i / NUM_STEPS) * (saturation.end - saturation.start) +
saturation.start;
const lightnessValue =
lightnessEasing(i / NUM_STEPS) * (lightness.end - lightness.start) +
lightness.start;
const color = chroma.hsl(
hueValue,
saturationValue / 100,
lightnessValue / 100
);
colors.push(color);
}
const scale = chroma.scale(colors).mode("lch");
return scale;
}
/** Generates two color ramps:
* One for for light, and one for dark.
* By generating two ramps, rather than two default themes, we can use the same reference palette values for tokens in components.
*
* Each ramp has 101 colors (0-100)
*/
export function generateColorSet(props: ColorProps) {
const generatedColors = generateColors(props, false);
const generatedInvertedColors = generateColors(props, true);
const colors = generatedColors.map((color) => color.hex);
const invertedColors = generatedInvertedColors.map((color) => color.hex);
const result: ColorFamily = {
name: props.name,
colors: colors,
invertedColors: invertedColors,
colorsMeta: generatedColors,
invertedMeta: generatedInvertedColors,
};
return result;
}
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// Adapted from @k-vyn/coloralgorithm
export interface Curve {
name: string;
formatted_name: string;
value: number[];
}
export interface Curves {
lightness: Curve;
saturation: Curve;
linear: Curve;
easeInCubic: Curve;
easeOutCubic: Curve;
easeInOutCubic: Curve;
easeInSine: Curve;
easeOutSine: Curve;
easeInOutSine: Curve;
easeInQuad: Curve;
easeOutQuad: Curve;
easeInOutQuad: Curve;
easeInQuart: Curve;
easeOutQuart: Curve;
easeInOutQuart: Curve;
easeInQuint: Curve;
easeOutQuint: Curve;
easeInOutQuint: Curve;
easeInExpo: Curve;
easeOutExpo: Curve;
easeInOutExpo: Curve;
easeInCirc: Curve;
easeOutCirc: Curve;
easeInOutCirc: Curve;
easeInBack: Curve;
easeOutBack: Curve;
easeInOutBack: Curve;
}
export const curve: Curves = {
lightness: {
name: "nate",
formatted_name: "Nate",
value: [0.2, 0, 0.85, 1.1],
},
saturation: {
name: "nate",
formatted_name: "Nate",
value: [0.67, 0.6, 0.55, 1.0],
},
linear: {
name: "linear",
formatted_name: "Linear",
value: [0.5, 0.5, 0.5, 0.5],
},
easeInCubic: {
name: "easeInCubic",
formatted_name: "Cubic - EaseIn",
value: [0.55, 0.055, 0.675, 0.19],
},
easeOutCubic: {
name: "easeOutCubic",
formatted_name: "Cubic - EaseOut",
value: [0.215, 0.61, 0.355, 1],
},
easeInOutCubic: {
name: "easeInOutCubic",
formatted_name: "Cubic - EaseInOut",
value: [0.645, 0.045, 0.355, 1],
},
easeInSine: {
name: "easeInSine",
formatted_name: "Sine - EaseIn",
value: [0.47, 0, 0.745, 0.715],
},
easeOutSine: {
name: "easeOutSine",
formatted_name: "Sine - EaseOut",
value: [0.39, 0.575, 0.565, 1],
},
easeInOutSine: {
name: "easeInOutSine",
formatted_name: "Sine - EaseInOut",
value: [0.445, 0.05, 0.55, 0.95],
},
easeInQuad: {
name: "easeInQuad",
formatted_name: "Quad - EaseIn",
value: [0.55, 0.085, 0.68, 0.53],
},
easeOutQuad: {
name: "easeOutQuad",
formatted_name: "Quad - EaseOut",
value: [0.25, 0.46, 0.45, 0.94],
},
easeInOutQuad: {
name: "easeInOutQuad",
formatted_name: "Quad - EaseInOut",
value: [0.455, 0.03, 0.515, 0.955],
},
easeInQuart: {
name: "easeInQuart",
formatted_name: "Quart - EaseIn",
value: [0.895, 0.03, 0.685, 0.22],
},
easeOutQuart: {
name: "easeOutQuart",
formatted_name: "Quart - EaseOut",
value: [0.165, 0.84, 0.44, 1],
},
easeInOutQuart: {
name: "easeInOutQuart",
formatted_name: "Quart - EaseInOut",
value: [0.77, 0, 0.175, 1],
},
easeInQuint: {
name: "easeInQuint",
formatted_name: "Quint - EaseIn",
value: [0.755, 0.05, 0.855, 0.06],
},
easeOutQuint: {
name: "easeOutQuint",
formatted_name: "Quint - EaseOut",
value: [0.23, 1, 0.32, 1],
},
easeInOutQuint: {
name: "easeInOutQuint",
formatted_name: "Quint - EaseInOut",
value: [0.86, 0, 0.07, 1],
},
easeInCirc: {
name: "easeInCirc",
formatted_name: "Circ - EaseIn",
value: [0.6, 0.04, 0.98, 0.335],
},
easeOutCirc: {
name: "easeOutCirc",
formatted_name: "Circ - EaseOut",
value: [0.075, 0.82, 0.165, 1],
},
easeInOutCirc: {
name: "easeInOutCirc",
formatted_name: "Circ - EaseInOut",
value: [0.785, 0.135, 0.15, 0.86],
},
easeInExpo: {
name: "easeInExpo",
formatted_name: "Expo - EaseIn",
value: [0.95, 0.05, 0.795, 0.035],
},
easeOutExpo: {
name: "easeOutExpo",
formatted_name: "Expo - EaseOut",
value: [0.19, 1, 0.22, 1],
},
easeInOutExpo: {
name: "easeInOutExpo",
formatted_name: "Expo - EaseInOut",
value: [1, 0, 0, 1],
},
easeInBack: {
name: "easeInBack",
formatted_name: "Back - EaseIn",
value: [0.6, -0.28, 0.735, 0.045],
},
easeOutBack: {
name: "easeOutBack",
formatted_name: "Back - EaseOut",
value: [0.175, 0.885, 0.32, 1.275],
},
easeInOutBack: {
name: "easeInOutBack",
formatted_name: "Back - EaseInOut",
value: [0.68, -0.55, 0.265, 1.55],
},
};
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/** Converts a percentage scale value (0-100) to normalized scale (0-1) value. */
export function percentageToNormalized(value: number) {
const normalized = value / 100;
return normalized;
}
/** Converts a normalized scale (0-1) value to a percentage scale (0-100) value. */
export function normalizedToPercetage(value: number) {
const percentage = value * 100;
return percentage;
}
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import bezier from "bezier-easing";
import { Curve } from "../ref/curves";
/**
* Formats our Curve data structure into a bezier easing function.
* @param {Curve} curve - The curve to format.
* @param {Boolean} inverted - Whether or not to invert the curve.
* @returns {EasingFunction} The formatted easing function.
*/
export function curve(curve: Curve, inverted?: Boolean) {
if (inverted) {
return bezier(
curve.value[3],
curve.value[2],
curve.value[1],
curve.value[0]
);
}
return bezier(curve.value[0], curve.value[1], curve.value[2], curve.value[3]);
}
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import bezier from "bezier-easing";
import chroma from "chroma-js";
import { Color, ColorFamily, ColorFamilyConfig, ColorScale } from "../types";
import { percentageToNormalized } from "./convert";
import { curve } from "./curve";
// Re-export interface in a more standard format
export type EasingFunction = bezier.EasingFunction;
/**
* Generates a color, outputs it in multiple formats, and returns a variety of useful metadata.
*
* @param {EasingFunction} hueEasing - An easing function for the hue component of the color.
* @param {EasingFunction} saturationEasing - An easing function for the saturation component of the color.
* @param {EasingFunction} lightnessEasing - An easing function for the lightness component of the color.
* @param {ColorFamilyConfig} family - Configuration for the color family.
* @param {number} step - The current step.
* @param {number} steps - The total number of steps in the color scale.
*
* @returns {Color} The generated color, with its calculated contrast against black and white, as well as its LCH values, RGBA array, hexadecimal representation, and a flag indicating if it is light or dark.
*/
function generateColor(
hueEasing: EasingFunction,
saturationEasing: EasingFunction,
lightnessEasing: EasingFunction,
family: ColorFamilyConfig,
step: number,
steps: number
) {
const { hue, saturation, lightness } = family.color;
const stepHue = hueEasing(step / steps) * (hue.end - hue.start) + hue.start;
const stepSaturation =
saturationEasing(step / steps) * (saturation.end - saturation.start) +
saturation.start;
const stepLightness =
lightnessEasing(step / steps) * (lightness.end - lightness.start) +
lightness.start;
const color = chroma.hsl(
stepHue,
percentageToNormalized(stepSaturation),
percentageToNormalized(stepLightness)
);
const contrast = {
black: {
value: chroma.contrast(color, "black"),
aaPass: chroma.contrast(color, "black") >= 4.5,
aaaPass: chroma.contrast(color, "black") >= 7,
},
white: {
value: chroma.contrast(color, "white"),
aaPass: chroma.contrast(color, "white") >= 4.5,
aaaPass: chroma.contrast(color, "white") >= 7,
},
};
const lch = color.lch();
const rgba = color.rgba();
const hex = color.hex();
const isLight = lch[0] > 50;
const result: Color = {
step,
lch,
hex,
rgba,
contrast,
isLight,
};
return result;
}
/**
* Generates a color scale based on a color family configuration.
*
* @param {ColorFamilyConfig} config - The configuration for the color family.
* @param {Boolean} inverted - Specifies whether the color scale should be inverted or not.
*
* @returns {ColorScale} The generated color scale.
*
* @example
* ```ts
* const colorScale = generateColorScale({
* name: "blue",
* color: {
* hue: {
* start: 210,
* end: 240,
* curve: "easeInOut"
* },
* saturation: {
* start: 100,
* end: 100,
* curve: "easeInOut"
* },
* lightness: {
* start: 50,
* end: 50,
* curve: "easeInOut"
* }
* }
* });
* ```
*/
export function generateColorScale(
config: ColorFamilyConfig,
inverted: Boolean = false
) {
const { hue, saturation, lightness } = config.color;
// 101 steps means we get values from 0-100
const NUM_STEPS = 101;
const hueEasing = curve(hue.curve, inverted);
const saturationEasing = curve(saturation.curve, inverted);
const lightnessEasing = curve(lightness.curve, inverted);
let scale: ColorScale = {
colors: [],
values: [],
};
for (let i = 0; i < NUM_STEPS; i++) {
const color = generateColor(
hueEasing,
saturationEasing,
lightnessEasing,
config,
i,
NUM_STEPS
);
scale.colors.push(color);
scale.values.push(color.hex);
}
return scale;
}
/** Generates a color family with a scale and an inverted scale. */
export function generateColorFamily(config: ColorFamilyConfig) {
const scale = generateColorScale(config, false);
const invertedScale = generateColorScale(config, true);
const family: ColorFamily = {
name: config.name,
scale,
invertedScale,
};
return family;
}
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import chroma from "chroma-js";
import {
generateColors2,
generateColorSet,
generateColorsUsingCurve,
} from "../algorithm";
import { curve } from "../curves";
import { ColorFamily } from "../types";
import { generateColorFamily } from "../lib/generate";
import { curve } from "./curves";
// These are the source colors for the color scales in the system.
// This should never directly be used in the system, or exported to be used in a component or theme
// As it will generate thousands of lines of code.
// These should never directly be used directly in components or themes as they generate thousands of lines of code.
// Instead, use the outputs from the reference palette which exports a smaller subset of colors.
// Token or user-facing colors should use short, clear names
// and a 100-900 scale to match the font weight scale.
// Token or user-facing colors should use short, clear names and a 100-900 scale to match the font weight scale.
// Red ======================================== //
export const red = generateColors2(
{
start: 0,
end: 0,
curve: curve.linear,
export const red = generateColorFamily({
name: "red",
color: {
hue: {
start: 0,
end: 0,
curve: curve.linear,
},
saturation: {
start: 95,
end: 75,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 25,
curve: curve.lightness,
},
},
{
start: 95,
end: 75,
curve: curve.saturation,
},
{
start: 97,
end: 25,
curve: curve.lightness,
}
);
});
// Sunset ======================================== //
export const sunset = generateColors2(
{
start: 12,
end: 12,
curve: curve.linear,
export const sunset = generateColorFamily({
name: "sunset",
color: {
hue: {
start: 12,
end: 12,
curve: curve.linear,
},
saturation: {
start: 100,
end: 80,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 25,
curve: curve.lightness,
},
},
{
start: 100,
end: 80,
curve: curve.saturation,
},
{
start: 97,
end: 25,
curve: curve.lightness,
}
);
});
// Orange ======================================== //
export const orange = generateColors2(
{
start: 25,
end: 25,
curve: curve.linear,
export const orange = generateColorFamily({
name: "orange",
color: {
hue: {
start: 25,
end: 25,
curve: curve.linear,
},
saturation: {
start: 100,
end: 100,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 25,
curve: curve.lightness,
},
},
{
start: 100,
end: 100,
curve: curve.saturation,
},
{
start: 97,
end: 25,
curve: curve.lightness,
}
);
});
// Amber ======================================== //
export const amber = generateColors2(
{
start: 34,
end: 34,
curve: curve.linear,
export const amber = generateColorFamily({
name: "amber",
color: {
hue: {
start: 34,
end: 34,
curve: curve.linear,
},
saturation: {
start: 100,
end: 100,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 25,
curve: curve.lightness,
},
},
{
start: 100,
end: 100,
curve: curve.saturation,
},
{
start: 97,
end: 25,
curve: curve.lightness,
}
);
});
// Yellow ======================================== //
export const yellow = generateColors2(
{
start: 48,
end: 48,
curve: curve.linear,
export const yellow = generateColorFamily({
name: "yellow",
color: {
hue: {
start: 48,
end: 48,
curve: curve.linear,
},
saturation: {
start: 90,
end: 100,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 28,
curve: curve.lightness,
},
},
{
start: 90,
end: 100,
curve: curve.saturation,
},
{
start: 97,
end: 32,
curve: curve.lightness,
}
);
});
// Citron ======================================== //
export const citron = generateColors2(
{
start: 65,
end: 65,
curve: curve.linear,
export const citron = generateColorFamily({
name: "citron",
color: {
hue: {
start: 65,
end: 65,
curve: curve.linear,
},
saturation: {
start: 85,
end: 70,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 25,
curve: curve.lightness,
},
},
{
start: 85,
end: 70,
curve: curve.saturation,
},
{
start: 97,
end: 25,
curve: curve.lightness,
}
);
});
// Lime ======================================== //
export const lime = generateColors2(
{
start: 85,
end: 85,
curve: curve.linear,
export const lime = generateColorFamily({
name: "lime",
color: {
hue: {
start: 85,
end: 85,
curve: curve.linear,
},
saturation: {
start: 85,
end: 70,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 25,
curve: curve.lightness,
},
},
{
start: 85,
end: 70,
curve: curve.saturation,
},
{
start: 97,
end: 25,
curve: curve.lightness,
}
);
});
// Green ======================================== //
export const green = generateColors2(
{
start: 108,
end: 108,
curve: curve.linear,
export const green = generateColorFamily({
name: "green",
color: {
hue: {
start: 108,
end: 108,
curve: curve.linear,
},
saturation: {
start: 60,
end: 50,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 25,
curve: curve.lightness,
},
},
{
start: 60,
end: 50,
curve: curve.saturation,
},
{
start: 97,
end: 25,
curve: curve.lightness,
}
);
});
// Mint ======================================== //
export const mint = generateColors2(
{
start: 142,
end: 142,
curve: curve.linear,
export const mint = generateColorFamily({
name: "mint",
color: {
hue: {
start: 142,
end: 142,
curve: curve.linear,
},
saturation: {
start: 60,
end: 50,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 60,
end: 50,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
// Cyan ======================================== //
export const cyan = generateColors2(
{
start: 179,
end: 179,
curve: curve.linear,
export const cyan = generateColorFamily({
name: "cyan",
color: {
hue: {
start: 179,
end: 179,
curve: curve.linear,
},
saturation: {
start: 70,
end: 60,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 70,
end: 60,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
// Sky ======================================== //
export const sky = generateColors2(
{
start: 190,
end: 190,
curve: curve.linear,
export const sky = generateColorFamily({
name: "sky",
color: {
hue: {
start: 195,
end: 195,
curve: curve.linear,
},
saturation: {
start: 85,
end: 75,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 85,
end: 75,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
// Blue ======================================== //
export const blue = generateColors2(
{
start: 210,
end: 210,
curve: curve.linear,
export const blue = generateColorFamily({
name: "blue",
color: {
hue: {
start: 210,
end: 210,
curve: curve.linear,
},
saturation: {
start: 90,
end: 75,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 90,
end: 60,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
// Indigo ======================================== //
export const indigo = generateColors2(
{
start: 240,
end: 240,
curve: curve.linear,
export const indigo = generateColorFamily({
name: "indigo",
color: {
hue: {
start: 230,
end: 230,
curve: curve.linear,
},
saturation: {
start: 80,
end: 50,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 80,
end: 40,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
// Purple ======================================== //
export const purple = generateColors2(
{
start: 260,
end: 265,
curve: curve.linear,
export const purple = generateColorFamily({
name: "purple",
color: {
hue: {
start: 260,
end: 265,
curve: curve.linear,
},
saturation: {
start: 80,
end: 50,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 80,
end: 50,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
// Pink ======================================== //
export const pink = generateColors2(
{
start: 310,
end: 310,
curve: curve.linear,
export const pink = generateColorFamily({
name: "pink",
color: {
hue: {
start: 310,
end: 310,
curve: curve.linear,
},
saturation: {
start: 80,
end: 75,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 80,
end: 70,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
// Rose ======================================== //
export const rose = generateColors2(
{
start: 345,
end: 345,
curve: curve.linear,
export const rose = generateColorFamily({
name: "rose",
color: {
hue: {
start: 345,
end: 345,
curve: curve.linear,
},
saturation: {
start: 90,
end: 65,
curve: curve.saturation,
},
lightness: {
start: 97,
end: 20,
curve: curve.lightness,
},
},
{
start: 90,
end: 65,
curve: curve.saturation,
},
{
start: 97,
end: 20,
curve: curve.lightness,
}
);
});
+25
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@@ -0,0 +1,25 @@
export interface Curve {
name: string;
value: number[];
}
export interface Curves {
lightness: Curve;
saturation: Curve;
linear: Curve;
}
export const curve: Curves = {
lightness: {
name: "lightnessCurve",
value: [0.2, 0, 0.85, 1.0],
},
saturation: {
name: "saturationCurve",
value: [0.67, 0.6, 0.55, 1.0],
},
linear: {
name: "linear",
value: [0.5, 0.5, 0.5, 0.5],
},
};
-3
View File
@@ -1,3 +0,0 @@
import * as color from "./ref/color";
export { color };
+23
View File
@@ -0,0 +1,23 @@
import chroma from "chroma-js";
import * as colorFamily from "./ref/color";
const color = {
red: chroma.scale(colorFamily.red.scale.values).mode("lch").colors(9),
sunset: chroma.scale(colorFamily.sunset.scale.values).mode("lch").colors(9),
orange: chroma.scale(colorFamily.orange.scale.values).mode("lch").colors(9),
amber: chroma.scale(colorFamily.amber.scale.values).mode("lch").colors(9),
yellow: chroma.scale(colorFamily.yellow.scale.values).mode("lch").colors(9),
citron: chroma.scale(colorFamily.citron.scale.values).mode("lch").colors(9),
lime: chroma.scale(colorFamily.lime.scale.values).mode("lch").colors(9),
green: chroma.scale(colorFamily.green.scale.values).mode("lch").colors(9),
mint: chroma.scale(colorFamily.mint.scale.values).mode("lch").colors(9),
cyan: chroma.scale(colorFamily.cyan.scale.values).mode("lch").colors(9),
sky: chroma.scale(colorFamily.sky.scale.values).mode("lch").colors(9),
blue: chroma.scale(colorFamily.blue.scale.values).mode("lch").colors(9),
indigo: chroma.scale(colorFamily.indigo.scale.values).mode("lch").colors(9),
purple: chroma.scale(colorFamily.purple.scale.values).mode("lch").colors(9),
pink: chroma.scale(colorFamily.pink.scale.values).mode("lch").colors(9),
rose: chroma.scale(colorFamily.rose.scale.values).mode("lch").colors(9),
};
export { color };
+50 -10
View File
@@ -1,27 +1,67 @@
import { Color as ChromaColor } from "chroma-js";
import { Curve } from "./ref/curves";
export interface ColorAccessiblityValue {
value: number;
aaPass: boolean;
aaaPass: boolean;
}
/**
* Calculates the color contrast between a specified color and its corresponding background and foreground colors.
*
* @note This implementation is currently basic – Currently we only calculate contrasts against black and white, in the future will allow for dynamic color contrast calculation based on the colors present in a given palette.
* @note The goal is to align with WCAG3 accessibility standards as they become stabilized. See the [WCAG 3 Introduction](https://www.w3.org/WAI/standards-guidelines/wcag/wcag3-intro/) for more information.
*/
export interface ColorAccessiblity {
black: ColorAccessiblityValue;
white: ColorAccessiblityValue;
}
export type Color = {
step: number;
contrast: ColorAccessiblity;
hex: string;
lch: number[];
rgbaArray: number[];
rgba: number[];
isLight: boolean;
};
export type ColorSet = Color[];
export interface ColorScale {
colors: Color[];
// An array of hex values for each color in the scale
values: string[];
}
export type ColorFamily = {
name: string;
colors: string[];
invertedColors: string[];
colorsMeta: ColorSet;
invertedMeta: ColorSet;
scale: ColorScale;
invertedScale: ColorScale;
};
export interface ColorProps {
export interface ColorFamilyHue {
start: number;
end: number;
curve: Curve;
}
export interface ColorFamilySaturation {
start: number;
end: number;
curve: Curve;
}
export interface ColorFamilyLightness {
start: number;
end: number;
curve: Curve;
}
export interface ColorFamilyConfig {
name: string;
color: {
start: string | ChromaColor;
middle: string | ChromaColor;
end: string | ChromaColor;
hue: ColorFamilyHue;
saturation: ColorFamilySaturation;
lightness: ColorFamilyLightness;
};
}
+18 -22
View File
@@ -1,12 +1,8 @@
/* eslint-disable import/no-relative-packages */
import { Scale } from 'chroma-js';
import { color } from '../../src/system/reference';
import { color } from '../../src/system/system';
import styles from './page.module.css';
function ColorChips({ colorScale }: { colorScale: Scale }) {
const colors = colorScale.colors(11);
function ColorChips({ colors }: { colors: string[] }) {
return (
<div
style={{
@@ -38,22 +34,22 @@ export default function Home() {
return (
<main>
<div style={{ display: 'flex', gap: '1px' }}>
<ColorChips colorScale={color.red} />
<ColorChips colorScale={color.sunset} />
<ColorChips colorScale={color.orange} />
<ColorChips colorScale={color.amber} />
<ColorChips colorScale={color.yellow} />
<ColorChips colorScale={color.citron} />
<ColorChips colorScale={color.lime} />
<ColorChips colorScale={color.green} />
<ColorChips colorScale={color.mint} />
<ColorChips colorScale={color.cyan} />
<ColorChips colorScale={color.sky} />
<ColorChips colorScale={color.blue} />
<ColorChips colorScale={color.indigo} />
<ColorChips colorScale={color.purple} />
<ColorChips colorScale={color.pink} />
<ColorChips colorScale={color.rose} />
<ColorChips colors={color.red} />
<ColorChips colors={color.sunset} />
<ColorChips colors={color.orange} />
<ColorChips colors={color.amber} />
<ColorChips colors={color.yellow} />
<ColorChips colors={color.citron} />
<ColorChips colors={color.lime} />
<ColorChips colors={color.green} />
<ColorChips colors={color.mint} />
<ColorChips colors={color.cyan} />
<ColorChips colors={color.sky} />
<ColorChips colors={color.blue} />
<ColorChips colors={color.indigo} />
<ColorChips colors={color.purple} />
<ColorChips colors={color.pink} />
<ColorChips colors={color.rose} />
</div>
</main>
);