"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const index = require("../color-name/index.cjs");
var conversions;
var hasRequiredConversions;
function requireConversions() {
  if (hasRequiredConversions)
    return conversions;
  hasRequiredConversions = 1;
  const cssKeywords = index.__require();
  const reverseKeywords = {};
  for (const key of Object.keys(cssKeywords)) {
    reverseKeywords[cssKeywords[key]] = key;
  }
  const convert = {
    rgb: { channels: 3, labels: "rgb" },
    hsl: { channels: 3, labels: "hsl" },
    hsv: { channels: 3, labels: "hsv" },
    hwb: { channels: 3, labels: "hwb" },
    cmyk: { channels: 4, labels: "cmyk" },
    xyz: { channels: 3, labels: "xyz" },
    lab: { channels: 3, labels: "lab" },
    lch: { channels: 3, labels: "lch" },
    hex: { channels: 1, labels: ["hex"] },
    keyword: { channels: 1, labels: ["keyword"] },
    ansi16: { channels: 1, labels: ["ansi16"] },
    ansi256: { channels: 1, labels: ["ansi256"] },
    hcg: { channels: 3, labels: ["h", "c", "g"] },
    apple: { channels: 3, labels: ["r16", "g16", "b16"] },
    gray: { channels: 1, labels: ["gray"] }
  };
  conversions = convert;
  for (const model of Object.keys(convert)) {
    if (!("channels" in convert[model])) {
      throw new Error("missing channels property: " + model);
    }
    if (!("labels" in convert[model])) {
      throw new Error("missing channel labels property: " + model);
    }
    if (convert[model].labels.length !== convert[model].channels) {
      throw new Error("channel and label counts mismatch: " + model);
    }
    const { channels, labels } = convert[model];
    delete convert[model].channels;
    delete convert[model].labels;
    Object.defineProperty(convert[model], "channels", { value: channels });
    Object.defineProperty(convert[model], "labels", { value: labels });
  }
  convert.rgb.hsl = function(rgb) {
    const r = rgb[0] / 255;
    const g = rgb[1] / 255;
    const b = rgb[2] / 255;
    const min = Math.min(r, g, b);
    const max = Math.max(r, g, b);
    const delta = max - min;
    let h;
    let s;
    if (max === min) {
      h = 0;
    } else if (r === max) {
      h = (g - b) / delta;
    } else if (g === max) {
      h = 2 + (b - r) / delta;
    } else if (b === max) {
      h = 4 + (r - g) / delta;
    }
    h = Math.min(h * 60, 360);
    if (h < 0) {
      h += 360;
    }
    const l = (min + max) / 2;
    if (max === min) {
      s = 0;
    } else if (l <= 0.5) {
      s = delta / (max + min);
    } else {
      s = delta / (2 - max - min);
    }
    return [h, s * 100, l * 100];
  };
  convert.rgb.hsv = function(rgb) {
    let rdif;
    let gdif;
    let bdif;
    let h;
    let s;
    const r = rgb[0] / 255;
    const g = rgb[1] / 255;
    const b = rgb[2] / 255;
    const v = Math.max(r, g, b);
    const diff = v - Math.min(r, g, b);
    const diffc = function(c) {
      return (v - c) / 6 / diff + 1 / 2;
    };
    if (diff === 0) {
      h = 0;
      s = 0;
    } else {
      s = diff / v;
      rdif = diffc(r);
      gdif = diffc(g);
      bdif = diffc(b);
      if (r === v) {
        h = bdif - gdif;
      } else if (g === v) {
        h = 1 / 3 + rdif - bdif;
      } else if (b === v) {
        h = 2 / 3 + gdif - rdif;
      }
      if (h < 0) {
        h += 1;
      } else if (h > 1) {
        h -= 1;
      }
    }
    return [
      h * 360,
      s * 100,
      v * 100
    ];
  };
  convert.rgb.hwb = function(rgb) {
    const r = rgb[0];
    const g = rgb[1];
    let b = rgb[2];
    const h = convert.rgb.hsl(rgb)[0];
    const w = 1 / 255 * Math.min(r, Math.min(g, b));
    b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
    return [h, w * 100, b * 100];
  };
  convert.rgb.cmyk = function(rgb) {
    const r = rgb[0] / 255;
    const g = rgb[1] / 255;
    const b = rgb[2] / 255;
    const k = Math.min(1 - r, 1 - g, 1 - b);
    const c = (1 - r - k) / (1 - k) || 0;
    const m = (1 - g - k) / (1 - k) || 0;
    const y = (1 - b - k) / (1 - k) || 0;
    return [c * 100, m * 100, y * 100, k * 100];
  };
  function comparativeDistance(x, y) {
    return (x[0] - y[0]) ** 2 + (x[1] - y[1]) ** 2 + (x[2] - y[2]) ** 2;
  }
  convert.rgb.keyword = function(rgb) {
    const reversed = reverseKeywords[rgb];
    if (reversed) {
      return reversed;
    }
    let currentClosestDistance = Infinity;
    let currentClosestKeyword;
    for (const keyword of Object.keys(cssKeywords)) {
      const value = cssKeywords[keyword];
      const distance = comparativeDistance(rgb, value);
      if (distance < currentClosestDistance) {
        currentClosestDistance = distance;
        currentClosestKeyword = keyword;
      }
    }
    return currentClosestKeyword;
  };
  convert.keyword.rgb = function(keyword) {
    return cssKeywords[keyword];
  };
  convert.rgb.xyz = function(rgb) {
    let r = rgb[0] / 255;
    let g = rgb[1] / 255;
    let b = rgb[2] / 255;
    r = r > 0.04045 ? ((r + 0.055) / 1.055) ** 2.4 : r / 12.92;
    g = g > 0.04045 ? ((g + 0.055) / 1.055) ** 2.4 : g / 12.92;
    b = b > 0.04045 ? ((b + 0.055) / 1.055) ** 2.4 : b / 12.92;
    const x = r * 0.4124 + g * 0.3576 + b * 0.1805;
    const y = r * 0.2126 + g * 0.7152 + b * 0.0722;
    const z = r * 0.0193 + g * 0.1192 + b * 0.9505;
    return [x * 100, y * 100, z * 100];
  };
  convert.rgb.lab = function(rgb) {
    const xyz = convert.rgb.xyz(rgb);
    let x = xyz[0];
    let y = xyz[1];
    let z = xyz[2];
    x /= 95.047;
    y /= 100;
    z /= 108.883;
    x = x > 8856e-6 ? x ** (1 / 3) : 7.787 * x + 16 / 116;
    y = y > 8856e-6 ? y ** (1 / 3) : 7.787 * y + 16 / 116;
    z = z > 8856e-6 ? z ** (1 / 3) : 7.787 * z + 16 / 116;
    const l = 116 * y - 16;
    const a = 500 * (x - y);
    const b = 200 * (y - z);
    return [l, a, b];
  };
  convert.hsl.rgb = function(hsl) {
    const h = hsl[0] / 360;
    const s = hsl[1] / 100;
    const l = hsl[2] / 100;
    let t2;
    let t3;
    let val;
    if (s === 0) {
      val = l * 255;
      return [val, val, val];
    }
    if (l < 0.5) {
      t2 = l * (1 + s);
    } else {
      t2 = l + s - l * s;
    }
    const t1 = 2 * l - t2;
    const rgb = [0, 0, 0];
    for (let i = 0; i < 3; i++) {
      t3 = h + 1 / 3 * -(i - 1);
      if (t3 < 0) {
        t3++;
      }
      if (t3 > 1) {
        t3--;
      }
      if (6 * t3 < 1) {
        val = t1 + (t2 - t1) * 6 * t3;
      } else if (2 * t3 < 1) {
        val = t2;
      } else if (3 * t3 < 2) {
        val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
      } else {
        val = t1;
      }
      rgb[i] = val * 255;
    }
    return rgb;
  };
  convert.hsl.hsv = function(hsl) {
    const h = hsl[0];
    let s = hsl[1] / 100;
    let l = hsl[2] / 100;
    let smin = s;
    const lmin = Math.max(l, 0.01);
    l *= 2;
    s *= l <= 1 ? l : 2 - l;
    smin *= lmin <= 1 ? lmin : 2 - lmin;
    const v = (l + s) / 2;
    const sv = l === 0 ? 2 * smin / (lmin + smin) : 2 * s / (l + s);
    return [h, sv * 100, v * 100];
  };
  convert.hsv.rgb = function(hsv) {
    const h = hsv[0] / 60;
    const s = hsv[1] / 100;
    let v = hsv[2] / 100;
    const hi = Math.floor(h) % 6;
    const f = h - Math.floor(h);
    const p = 255 * v * (1 - s);
    const q = 255 * v * (1 - s * f);
    const t = 255 * v * (1 - s * (1 - f));
    v *= 255;
    switch (hi) {
      case 0:
        return [v, t, p];
      case 1:
        return [q, v, p];
      case 2:
        return [p, v, t];
      case 3:
        return [p, q, v];
      case 4:
        return [t, p, v];
      case 5:
        return [v, p, q];
    }
  };
  convert.hsv.hsl = function(hsv) {
    const h = hsv[0];
    const s = hsv[1] / 100;
    const v = hsv[2] / 100;
    const vmin = Math.max(v, 0.01);
    let sl;
    let l;
    l = (2 - s) * v;
    const lmin = (2 - s) * vmin;
    sl = s * vmin;
    sl /= lmin <= 1 ? lmin : 2 - lmin;
    sl = sl || 0;
    l /= 2;
    return [h, sl * 100, l * 100];
  };
  convert.hwb.rgb = function(hwb) {
    const h = hwb[0] / 360;
    let wh = hwb[1] / 100;
    let bl = hwb[2] / 100;
    const ratio = wh + bl;
    let f;
    if (ratio > 1) {
      wh /= ratio;
      bl /= ratio;
    }
    const i = Math.floor(6 * h);
    const v = 1 - bl;
    f = 6 * h - i;
    if ((i & 1) !== 0) {
      f = 1 - f;
    }
    const n = wh + f * (v - wh);
    let r;
    let g;
    let b;
    switch (i) {
      default:
      case 6:
      case 0:
        r = v;
        g = n;
        b = wh;
        break;
      case 1:
        r = n;
        g = v;
        b = wh;
        break;
      case 2:
        r = wh;
        g = v;
        b = n;
        break;
      case 3:
        r = wh;
        g = n;
        b = v;
        break;
      case 4:
        r = n;
        g = wh;
        b = v;
        break;
      case 5:
        r = v;
        g = wh;
        b = n;
        break;
    }
    return [r * 255, g * 255, b * 255];
  };
  convert.cmyk.rgb = function(cmyk) {
    const c = cmyk[0] / 100;
    const m = cmyk[1] / 100;
    const y = cmyk[2] / 100;
    const k = cmyk[3] / 100;
    const r = 1 - Math.min(1, c * (1 - k) + k);
    const g = 1 - Math.min(1, m * (1 - k) + k);
    const b = 1 - Math.min(1, y * (1 - k) + k);
    return [r * 255, g * 255, b * 255];
  };
  convert.xyz.rgb = function(xyz) {
    const x = xyz[0] / 100;
    const y = xyz[1] / 100;
    const z = xyz[2] / 100;
    let r;
    let g;
    let b;
    r = x * 3.2406 + y * -1.5372 + z * -0.4986;
    g = x * -0.9689 + y * 1.8758 + z * 0.0415;
    b = x * 0.0557 + y * -0.204 + z * 1.057;
    r = r > 31308e-7 ? 1.055 * r ** (1 / 2.4) - 0.055 : r * 12.92;
    g = g > 31308e-7 ? 1.055 * g ** (1 / 2.4) - 0.055 : g * 12.92;
    b = b > 31308e-7 ? 1.055 * b ** (1 / 2.4) - 0.055 : b * 12.92;
    r = Math.min(Math.max(0, r), 1);
    g = Math.min(Math.max(0, g), 1);
    b = Math.min(Math.max(0, b), 1);
    return [r * 255, g * 255, b * 255];
  };
  convert.xyz.lab = function(xyz) {
    let x = xyz[0];
    let y = xyz[1];
    let z = xyz[2];
    x /= 95.047;
    y /= 100;
    z /= 108.883;
    x = x > 8856e-6 ? x ** (1 / 3) : 7.787 * x + 16 / 116;
    y = y > 8856e-6 ? y ** (1 / 3) : 7.787 * y + 16 / 116;
    z = z > 8856e-6 ? z ** (1 / 3) : 7.787 * z + 16 / 116;
    const l = 116 * y - 16;
    const a = 500 * (x - y);
    const b = 200 * (y - z);
    return [l, a, b];
  };
  convert.lab.xyz = function(lab) {
    const l = lab[0];
    const a = lab[1];
    const b = lab[2];
    let x;
    let y;
    let z;
    y = (l + 16) / 116;
    x = a / 500 + y;
    z = y - b / 200;
    const y2 = y ** 3;
    const x2 = x ** 3;
    const z2 = z ** 3;
    y = y2 > 8856e-6 ? y2 : (y - 16 / 116) / 7.787;
    x = x2 > 8856e-6 ? x2 : (x - 16 / 116) / 7.787;
    z = z2 > 8856e-6 ? z2 : (z - 16 / 116) / 7.787;
    x *= 95.047;
    y *= 100;
    z *= 108.883;
    return [x, y, z];
  };
  convert.lab.lch = function(lab) {
    const l = lab[0];
    const a = lab[1];
    const b = lab[2];
    let h;
    const hr = Math.atan2(b, a);
    h = hr * 360 / 2 / Math.PI;
    if (h < 0) {
      h += 360;
    }
    const c = Math.sqrt(a * a + b * b);
    return [l, c, h];
  };
  convert.lch.lab = function(lch) {
    const l = lch[0];
    const c = lch[1];
    const h = lch[2];
    const hr = h / 360 * 2 * Math.PI;
    const a = c * Math.cos(hr);
    const b = c * Math.sin(hr);
    return [l, a, b];
  };
  convert.rgb.ansi16 = function(args, saturation = null) {
    const [r, g, b] = args;
    let value = saturation === null ? convert.rgb.hsv(args)[2] : saturation;
    value = Math.round(value / 50);
    if (value === 0) {
      return 30;
    }
    let ansi = 30 + (Math.round(b / 255) << 2 | Math.round(g / 255) << 1 | Math.round(r / 255));
    if (value === 2) {
      ansi += 60;
    }
    return ansi;
  };
  convert.hsv.ansi16 = function(args) {
    return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);
  };
  convert.rgb.ansi256 = function(args) {
    const r = args[0];
    const g = args[1];
    const b = args[2];
    if (r === g && g === b) {
      if (r < 8) {
        return 16;
      }
      if (r > 248) {
        return 231;
      }
      return Math.round((r - 8) / 247 * 24) + 232;
    }
    const ansi = 16 + 36 * Math.round(r / 255 * 5) + 6 * Math.round(g / 255 * 5) + Math.round(b / 255 * 5);
    return ansi;
  };
  convert.ansi16.rgb = function(args) {
    let color = args % 10;
    if (color === 0 || color === 7) {
      if (args > 50) {
        color += 3.5;
      }
      color = color / 10.5 * 255;
      return [color, color, color];
    }
    const mult = (~~(args > 50) + 1) * 0.5;
    const r = (color & 1) * mult * 255;
    const g = (color >> 1 & 1) * mult * 255;
    const b = (color >> 2 & 1) * mult * 255;
    return [r, g, b];
  };
  convert.ansi256.rgb = function(args) {
    if (args >= 232) {
      const c = (args - 232) * 10 + 8;
      return [c, c, c];
    }
    args -= 16;
    let rem;
    const r = Math.floor(args / 36) / 5 * 255;
    const g = Math.floor((rem = args % 36) / 6) / 5 * 255;
    const b = rem % 6 / 5 * 255;
    return [r, g, b];
  };
  convert.rgb.hex = function(args) {
    const integer = ((Math.round(args[0]) & 255) << 16) + ((Math.round(args[1]) & 255) << 8) + (Math.round(args[2]) & 255);
    const string = integer.toString(16).toUpperCase();
    return "000000".substring(string.length) + string;
  };
  convert.hex.rgb = function(args) {
    const match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
    if (!match) {
      return [0, 0, 0];
    }
    let colorString = match[0];
    if (match[0].length === 3) {
      colorString = colorString.split("").map((char) => {
        return char + char;
      }).join("");
    }
    const integer = parseInt(colorString, 16);
    const r = integer >> 16 & 255;
    const g = integer >> 8 & 255;
    const b = integer & 255;
    return [r, g, b];
  };
  convert.rgb.hcg = function(rgb) {
    const r = rgb[0] / 255;
    const g = rgb[1] / 255;
    const b = rgb[2] / 255;
    const max = Math.max(Math.max(r, g), b);
    const min = Math.min(Math.min(r, g), b);
    const chroma = max - min;
    let grayscale;
    let hue;
    if (chroma < 1) {
      grayscale = min / (1 - chroma);
    } else {
      grayscale = 0;
    }
    if (chroma <= 0) {
      hue = 0;
    } else if (max === r) {
      hue = (g - b) / chroma % 6;
    } else if (max === g) {
      hue = 2 + (b - r) / chroma;
    } else {
      hue = 4 + (r - g) / chroma;
    }
    hue /= 6;
    hue %= 1;
    return [hue * 360, chroma * 100, grayscale * 100];
  };
  convert.hsl.hcg = function(hsl) {
    const s = hsl[1] / 100;
    const l = hsl[2] / 100;
    const c = l < 0.5 ? 2 * s * l : 2 * s * (1 - l);
    let f = 0;
    if (c < 1) {
      f = (l - 0.5 * c) / (1 - c);
    }
    return [hsl[0], c * 100, f * 100];
  };
  convert.hsv.hcg = function(hsv) {
    const s = hsv[1] / 100;
    const v = hsv[2] / 100;
    const c = s * v;
    let f = 0;
    if (c < 1) {
      f = (v - c) / (1 - c);
    }
    return [hsv[0], c * 100, f * 100];
  };
  convert.hcg.rgb = function(hcg) {
    const h = hcg[0] / 360;
    const c = hcg[1] / 100;
    const g = hcg[2] / 100;
    if (c === 0) {
      return [g * 255, g * 255, g * 255];
    }
    const pure = [0, 0, 0];
    const hi = h % 1 * 6;
    const v = hi % 1;
    const w = 1 - v;
    let mg = 0;
    switch (Math.floor(hi)) {
      case 0:
        pure[0] = 1;
        pure[1] = v;
        pure[2] = 0;
        break;
      case 1:
        pure[0] = w;
        pure[1] = 1;
        pure[2] = 0;
        break;
      case 2:
        pure[0] = 0;
        pure[1] = 1;
        pure[2] = v;
        break;
      case 3:
        pure[0] = 0;
        pure[1] = w;
        pure[2] = 1;
        break;
      case 4:
        pure[0] = v;
        pure[1] = 0;
        pure[2] = 1;
        break;
      default:
        pure[0] = 1;
        pure[1] = 0;
        pure[2] = w;
    }
    mg = (1 - c) * g;
    return [
      (c * pure[0] + mg) * 255,
      (c * pure[1] + mg) * 255,
      (c * pure[2] + mg) * 255
    ];
  };
  convert.hcg.hsv = function(hcg) {
    const c = hcg[1] / 100;
    const g = hcg[2] / 100;
    const v = c + g * (1 - c);
    let f = 0;
    if (v > 0) {
      f = c / v;
    }
    return [hcg[0], f * 100, v * 100];
  };
  convert.hcg.hsl = function(hcg) {
    const c = hcg[1] / 100;
    const g = hcg[2] / 100;
    const l = g * (1 - c) + 0.5 * c;
    let s = 0;
    if (l > 0 && l < 0.5) {
      s = c / (2 * l);
    } else if (l >= 0.5 && l < 1) {
      s = c / (2 * (1 - l));
    }
    return [hcg[0], s * 100, l * 100];
  };
  convert.hcg.hwb = function(hcg) {
    const c = hcg[1] / 100;
    const g = hcg[2] / 100;
    const v = c + g * (1 - c);
    return [hcg[0], (v - c) * 100, (1 - v) * 100];
  };
  convert.hwb.hcg = function(hwb) {
    const w = hwb[1] / 100;
    const b = hwb[2] / 100;
    const v = 1 - b;
    const c = v - w;
    let g = 0;
    if (c < 1) {
      g = (v - c) / (1 - c);
    }
    return [hwb[0], c * 100, g * 100];
  };
  convert.apple.rgb = function(apple) {
    return [apple[0] / 65535 * 255, apple[1] / 65535 * 255, apple[2] / 65535 * 255];
  };
  convert.rgb.apple = function(rgb) {
    return [rgb[0] / 255 * 65535, rgb[1] / 255 * 65535, rgb[2] / 255 * 65535];
  };
  convert.gray.rgb = function(args) {
    return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];
  };
  convert.gray.hsl = function(args) {
    return [0, 0, args[0]];
  };
  convert.gray.hsv = convert.gray.hsl;
  convert.gray.hwb = function(gray) {
    return [0, 100, gray[0]];
  };
  convert.gray.cmyk = function(gray) {
    return [0, 0, 0, gray[0]];
  };
  convert.gray.lab = function(gray) {
    return [gray[0], 0, 0];
  };
  convert.gray.hex = function(gray) {
    const val = Math.round(gray[0] / 100 * 255) & 255;
    const integer = (val << 16) + (val << 8) + val;
    const string = integer.toString(16).toUpperCase();
    return "000000".substring(string.length) + string;
  };
  convert.rgb.gray = function(rgb) {
    const val = (rgb[0] + rgb[1] + rgb[2]) / 3;
    return [val / 255 * 100];
  };
  return conversions;
}
exports.__require = requireConversions;
//# sourceMappingURL=conversions.cjs.map
