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!function(a,b){"object"==typeof exports?module.exports=b(a):"function"==typeof define&&define.amd?define("colors",[],function(){return b(a)}):a.Colors=b(a)}(this,function(a,b){"use strict";function c(a,c,d,f,g){if("string"==typeof c){var c=v.txt2color(c);d=c.type,p[d]=c[d],g=g!==b?g:c.alpha}else if(c)for(var h in c)a[d][h]=k(c[h]/l[d][h][1],0,1);return g!==b&&(a.alpha=k(+g,0,1)),e(d,f?a:b)}function d(a,b,c){var d=o.options.grey,e={};return e.RGB={r:a.r,g:a.g,b:a.b},e.rgb={r:b.r,g:b.g,b:b.b},e.alpha=c,e.equivalentGrey=n(d.r*a.r+d.g*a.g+d.b*a.b),e.rgbaMixBlack=i(b,{r:0,g:0,b:0},c,1),e.rgbaMixWhite=i(b,{r:1,g:1,b:1},c,1),e.rgbaMixBlack.luminance=h(e.rgbaMixBlack,!0),e.rgbaMixWhite.luminance=h(e.rgbaMixWhite,!0),o.options.customBG&&(e.rgbaMixCustom=i(b,o.options.customBG,c,1),e.rgbaMixCustom.luminance=h(e.rgbaMixCustom,!0),o.options.customBG.luminance=h(o.options.customBG,!0)),e}function e(a,b){var c,e,k,q=b||p,r=v,s=o.options,t=l,u=q.RND,w="",x="",y={hsl:"hsv",rgb:a},z=u.rgb;if("alpha"!==a){for(var A in t)if(!t[A][A]){a!==A&&(x=y[A]||"rgb",q[A]=r[x+"2"+A](q[x])),u[A]||(u[A]={}),c=q[A];for(w in c)u[A][w]=n(c[w]*t[A][w][1])}z=u.rgb,q.HEX=r.RGB2HEX(z),q.equivalentGrey=s.grey.r*q.rgb.r+s.grey.g*q.rgb.g+s.grey.b*q.rgb.b,q.webSave=e=f(z,51),q.webSmart=k=f(z,17),q.saveColor=z.r===e.r&&z.g===e.g&&z.b===e.b?"web save":z.r===k.r&&z.g===k.g&&z.b===k.b?"web smart":"",q.hueRGB=v.hue2RGB(q.hsv.h),b&&(q.background=d(z,q.rgb,q.alpha))}var B,C,D,E=q.rgb,F=q.alpha,G="luminance",H=q.background;return B=i(E,{r:0,g:0,b:0},F,1),B[G]=h(B,!0),q.rgbaMixBlack=B,C=i(E,{r:1,g:1,b:1},F,1),C[G]=h(C,!0),q.rgbaMixWhite=C,s.customBG&&(D=i(E,H.rgbaMixCustom,F,1),D[G]=h(D,!0),D.WCAG2Ratio=j(D[G],H.rgbaMixCustom[G]),q.rgbaMixBGMixCustom=D,D.luminanceDelta=m.abs(D[G]-H.rgbaMixCustom[G]),D.hueDelta=g(H.rgbaMixCustom,D,!0)),q.RGBLuminance=h(z),q.HUELuminance=h(q.hueRGB),s.convertCallback&&s.convertCallback(q,a),q}function f(a,b){var c={},d=0,e=b/2;for(var f in a)d=a[f]%b,c[f]=a[f]+(d>e?b-d:-d);return c}function g(a,b,c){return(m.max(a.r-b.r,b.r-a.r)+m.max(a.g-b.g,b.g-a.g)+m.max(a.b-b.b,b.b-a.b))*(c?255:1)/765}function h(a,b){for(var c=b?1:255,d=[a.r/c,a.g/c,a.b/c],e=o.options.luminance,f=d.length;f--;)d[f]=d[f]<=.03928?d[f]/12.92:m.pow((d[f]+.055)/1.055,2.4);return e.r*d[0]+e.g*d[1]+e.b*d[2]}function i(a,c,d,e){var f={},g=d!==b?d:1,h=e!==b?e:1,i=g+h*(1-g);for(var j in a)f[j]=(a[j]*g+c[j]*h*(1-g))/i;return f.a=i,f}function j(a,b){var c=1;return c=a>=b?(a+.05)/(b+.05):(b+.05)/(a+.05),n(100*c)/100}function k(a,b,c){return a>c?c:b>a?b:a}var l={rgb:{r:[0,255],g:[0,255],b:[0,255]},hsv:{h:[0,360],s:[0,100],v:[0,100]},hsl:{h:[0,360],s:[0,100],l:[0,100]},alpha:{alpha:[0,1]},HEX:{HEX:[0,16777215]}},m=a.Math,n=m.round,o={},p={},q={r:.298954,g:.586434,b:.114612},r={r:.2126,g:.7152,b:.0722},s=function(a){this.colors={RND:{}},this.options={color:"rgba(0,0,0,0)",grey:q,luminance:r,valueRanges:l},t(this,a||{})},t=function(a,d){var e,f=a.options;u(a);for(var g in d)d[g]!==b&&(f[g]=d[g]);e=f.customBG,f.customBG="string"==typeof e?v.txt2color(e).rgb:e,p=c(a.colors,f.color,b,!0)},u=function(a){o!==a&&(o=a,p=a.colors)};s.prototype.setColor=function(a,d,f){return u(this),a?c(this.colors,a,d,b,f):(f!==b&&(this.colors.alpha=k(f,0,1)),e(d))},s.prototype.setCustomBackground=function(a){return u(this),this.options.customBG="string"==typeof a?v.txt2color(a).rgb:a,c(this.colors,b,"rgb")},s.prototype.saveAsBackground=function(){return u(this),c(this.colors,b,"rgb",!0)},s.prototype.toString=function(a,b){return v.color2text((a||"rgb").toLowerCase(),this.colors,b)};var v={txt2color:function(a){var b={},c=a.replace(/(?:#|\)|%)/g,"").split("("),d=(c[1]||"").split(/,\s*/),e=c[1]?c[0].substr(0,3):"rgb",f="";if(b.type=e,b[e]={},c[1])for(var g=3;g--;)f=e[g]||e.charAt(g),b[e][f]=+d[g]/l[e][f][1];else b.rgb=v.HEX2rgb(c[0]);return b.alpha=d[3]?+d[3]:1,b},color2text:function(a,b,c){var d=c!==!1&&n(100*b.alpha)/100,e="number"==typeof d&&c!==!1&&(c||1!==d),f=b.RND.rgb,g=b.RND.hsl,h="hex"===a&&e,i="hex"===a&&!h,j="rgb"===a||h,k=j?f.r+", "+f.g+", "+f.b:i?"#"+b.HEX:g.h+", "+g.s+"%, "+g.l+"%";return i?k:(h?"
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