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// Color and theming utility functions! Handy.
export function getColors(themeColor, {
// chroma.js external dependency (https://gka.github.io/chroma.js/)
chroma,
} = {}) {
if (!chroma) {
throw new Error('chroma.js library must be passed or bound for color manipulation');
}
const primary = chroma(themeColor);
const dark = primary.luminance(0.02);
const dim = primary.desaturate(2).darken(1.5);
const deep = primary.saturate(1.2).luminance(0.035);
const deepGhost = deep.alpha(0.8);
const light = chroma.average(['#ffffff', primary], 'rgb', [4, 1]);
const bg = primary.luminance(0.008).desaturate(3.5).alpha(0.8);
const bgBlack = primary.saturate(1).luminance(0.0025).alpha(0.8);
const shadow = primary.desaturate(4).set('hsl.l', 0.05).alpha(0.8);
const hsl = primary.hsl();
if (isNaN(hsl[0])) hsl[0] = 0;
return {
primary: primary.hex(),
dark: dark.hex(),
dim: dim.hex(),
deep: deep.hex(),
deepGhost: deepGhost.hex(),
light: light.hex(),
bg: bg.hex(),
bgBlack: bgBlack.hex(),
shadow: shadow.hex(),
rgb: primary.rgb(),
hsl,
};
}
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