- fb.RGBToHSL = function (rgb) {
- var min, max, delta, h, s, l;
- var r = rgb[0], g = rgb[1], b = rgb[2];
- min = Math.min(r, Math.min(g, b));
- max = Math.max(r, Math.max(g, b));
- delta = max - min;
- l = (min + max) / 2;
- s = 0;
- if (l > 0 && l < 1) {
- s = delta / (l < 0.5 ? (2 * l) : (2 - 2 * l));
- }
- h = 0;
- if (delta > 0) {
- if (max == r && max != g) h += (g - b) / delta;
- if (max == g && max != b) h += (2 + (b - r) / delta);
- if (max == b && max != r) h += (4 + (r - g) / delta);
- h /= 6;
- }
- return [h, s, l];
- }
+ fb.RGBToHSL = function (rgb) {
+ var min, max, delta, h, s, l;
+ var r = rgb[0], g = rgb[1], b = rgb[2];
+ min = Math.min(r, Math.min(g, b));
+ max = Math.max(r, Math.max(g, b));
+ delta = max - min;
+ l = (min + max) / 2;
+ s = 0;
+ if (l > 0 && l < 1) {
+ s = delta / (l < 0.5 ? (2 * l) : (2 - 2 * l));
+ }
+ h = 0;
+ if (delta > 0) {
+ if (max == r && max != g) h += (g - b) / delta;
+ if (max == g && max != b) h += (2 + (b - r) / delta);
+ if (max == b && max != r) h += (4 + (r - g) / delta);
+ h /= 6;
+ }
+ return [h, s, l];
+ }