} else if (opt.color.r != undefined && opt.color.g != undefined && opt.color.b != undefined) {
                    opt.color = rgbToHsb(opt.color);
                } else if (opt.color.h != undefined && opt.color.s != undefined && opt.color.b != undefined) {
                    opt.color = fixHSB(opt.color);
                } else {