flatcolor.js

/**
 * 
 * This package is based on the Mariam Maarouf's flat-color-generator project.
 * Repository: https://github.com/mariamrf/flat-color-generator
 */

module.exports = (h) => {
	var PHI = 0.618033988749895; 
	var s, v;
	if(h===undefined){
		hue = (Math.floor(Math.random()*(360 - 0 + 1)+0))/360;
		h = ( hue + ( hue / PHI )) % 360; 
	} 
	else h/=360;                                           
	v = Math.floor(Math.random() * (100 - 20 + 1) + 20);
	s = (v-10)/100;
	v = v/100;

	var r, g, b, i, f, p, q, t;
    i = Math.floor(h * 6);
    f = h * 6 - i;
    p = v * (1 - s);
    q = v * (1 - f * s);
    t = v * (1 - (1 - f) * s);
    switch (i % 6) {
        case 0: r = v, g = t, b = p; break;
        case 1: r = q, g = v, b = p; break;
        case 2: r = p, g = v, b = t; break;
        case 3: r = p, g = q, b = v; break;
        case 4: r = t, g = p, b = v; break;
        case 5: r = v, g = p, b = q; break;
    }
        r = Math.round(r * 255);
        g = Math.round(g * 255);
        b = Math.round(b * 255);

    const finalColor = "#" + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);

    return {
        h: h,
        s: s,
        v: v,
        r: r,
        g: g,
        b: b,
        hex: finalColor
    }
}