HSVtoRGB(h, s, v) {     let i, f, p1, p2, p3;     let r = 0, g = 0, b = 0;     if (s < 0) s = 0;     if (s > 1) s = 1;     if (v < 0) v = 0;     if (v > 1) v = 1;     h %= 360;     if (h < 0) h += 360;     h /= 60;     i = Math.floor(h);     f = h - i;     p1 = v * (1 - s);     p2 = v * (1 - s * f);     p3 = v * (1 - s * (1 - f));     switch(i) {         case 0: r = v;  g = p3; b = p1; break;         case 1: r = p2; g = v;  b = p1; break;         case 2: r = p1; g = v;  b = p3; break;         case 3: r = p1; g = p2; b = v;  break;         case 4: r = p3; g = p1; b = v;  break;         case 5: r = v;  g = p1; b = p2; break;     }     return 'rgb(' + Math.round(r * 255) + ',' + Math.round(g * 255) + ',' + Math.round(b * 255) + ')'; }

RGBtoHSV(rgb) {    rgb = this.getRGB(rgb)    var rr, gg, bb,    r = parseInt(rgb.red) / 255,    g = parseInt(rgb.green) / 255,    b = parseInt(rgb.blue) / 255,    h, s,    v = Math.max(r, g, b),    diff = v - Math.min(r, g, b),    diffc = function(c){        return (v - c) / 6 / diff + 1 / 2;    };    if (diff == 0) {        h = s = 0;    } else {        s = diff / v;  rr = diffc(r); gg = diffc(g); bb = diffc(b);        if (r === v) {            h = bb - gg;        }else if (g === v) {            h = (1 / 3) + rr - bb;        }else if (b === v) {            h = (2 / 3) + gg - rr;        }        if (h < 0) {            h += 1;        }else if (h > 1) {            h -= 1;        }    }    return {        h: Math.round(h * 360),        s: Math.round(s * 100),        v: Math.round(v * 100)    };}

HuetoRGB(h) {    let doHandle = (num) =>{        if( num > 255) {            return 255;        } else if(num < 0){            return 0;        } else {            return Math.round(num);        }    }
    let hueRGB = h/60 * 255;    let r = doHandle(Math.abs(hueRGB-765)-255);    let g = doHandle(510 - Math.abs(hueRGB-510));    let b = doHandle(510 - Math.abs(hueRGB-1020));    return 'rgb(' +r + ',' + g + ',' + b + ')';  }

getHue (rgbArray) {    let r, g, b, max, min;    for(let i = 0; i < 3; i++){        r = parseInt(rgbArray.red);        g = parseInt(rgbArray.green);        b = parseInt(rgbArray.blue);    }    max = Math.max(r, g, b)    min = Math.min(r, g, b)    if(max == min) {        return 0;    } else {        if( max == r && g >= b) {            return 60 * (g - b)/(max - min);        } else if ( max == r && g < b) {            return 60 * (g - b)/(max - min) + 360;        } else if (max == g) {            return 60 * (b - r)/(max - min) + 120;        } else if (max == b) {            return 60 * (r - g)/(max - min) + 240;        }      }}

HexTorgb (hex){    var hexNum = hex.substring(1);    hexNum = '0x' + (hexNum.length < 6 ? repeatLetter(hexNum, 2) : hexNum);    var r = hexNum >> 16;    var g = hexNum >> 8 & '0xff';    var b = hexNum & '0xff';    return `rgb(${r},${g},${b})`;        function repeatWord(word, num){        var result = '';        for(let i = 0; i < num; i ++){            result += word;        }        return result;    }    function repeatLetter(word, num){        var result = '';        for(let letter of word){            result += repeatWord(letter, num);        }        return result;    }}

rgbToHex (color){    if(color.indexOf("#") != -1) {        return color;    }    let arr = color.split(',');    let r = +arr[0].split('(')[1];    let g = +arr[1];    let b = +arr[2].split(')')[0];    let value = (1 << 24) + r * (1 << 16) + g * (1 << 8) + b;    value = value.toString(16);    return '#' + value.slice(1);}