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/** * Convert RGB Array to HEX * * @param {Array} RGBArray - [R, G, B] * @returns {String} 6 digits hex starting with # */ const RGB2HEX = function(RGBArray: number[]) {    var hex = '#';    RGBArray.forEach(function(value) {        if (value < 16) {            hex += 0;        }        hex += value.toString(16);    });    return hex;};
/** * Convert HSL to RGB * * @see {@link http://zh.wikipedia.org/wiki/HSL和HSV色彩空间} for further information. * @param {Number} H Hue ∈ [0, 360) * @param {Number} S Saturation ∈ [0, 1] * @param {Number} L Lightness ∈ [0, 1] * @returns {Array} R, G, B ∈ [0, 255] */const HSL2RGB = function(H: number, S: number, L: number) {    H /= 360;
    var q = L < 0.5 ? L * (1 + S) : L + S - L * S;    var p = 2 * L - q;
    return [H + 1/3, H, H - 1/3].map(function(color) {        if(color < 0) {            color++;        }        if(color > 1) {            color--;        }        if(color < 1/6) {            color = p + (q - p) * 6 * color;        } else if(color < 0.5) {            color = q;        } else if(color < 2/3) {            color = p + (q - p) * 6 * (2/3 - color);        } else {            color = p;        }        return Math.round(color * 255);    });};
export {RGB2HEX, HSL2RGB};