colorjs.io
Version:
Let’s get serious about color
1 lines • 52.7 kB
JavaScript
"use strict";function e(e,t){let r=e.length;Array.isArray(e[0])||(e=[e]),Array.isArray(t[0])||(t=t.map((e=>[e])));let a=t[0].length,o=t[0].map(((e,r)=>t.map((e=>e[r])))),n=e.map((e=>o.map((t=>{let r=0;if(!Array.isArray(e)){for(let a of t)r+=e*a;return r}for(let a=0;a<e.length;a++)r+=e[a]*(t[a]||0);return r}))));return 1===r&&(n=n[0]),1===a?n.map((e=>e[0])):n}function t(e){return"string"===r(e)}function r(e){return(Object.prototype.toString.call(e).match(/^\[object\s+(.*?)\]$/)[1]||"").toLowerCase()}function a(e,{precision:t,unit:r}){return o(e)?"none":function(e,t){if(0===e)return 0;let r=~~e,a=0;r&&t&&(a=1+~~Math.log10(Math.abs(r)));const o=10**(t-a);return Math.floor(e*o+.5)/o}(e,t)+(r??"")}function o(e){return Number.isNaN(e)||e instanceof Number&&e?.none}function n(e){return o(e)?0:e}const s={deg:1,grad:.9,rad:180/Math.PI,turn:360};function i(e,t,r){return isNaN(e)?t:isNaN(t)?e:e+(t-e)*r}function c(e,t,r){return i(t[0],t[1],function(e,t,r){return(r-e)/(t-e)}(e[0],e[1],r))}function l(e,t){return Math.sign(e)===Math.sign(t)?e:-e}function u(e,t){return l(Math.abs(e)**t,e)}function h(e,t){return 0===t?0:e/t}class p{add(e,t,r){if("string"==typeof arguments[0])(Array.isArray(e)?e:[e]).forEach((function(e){this[e]=this[e]||[],t&&this[e][r?"unshift":"push"](t)}),this);else for(var e in arguments[0])this.add(e,arguments[0][e],arguments[1])}run(e,t){this[e]=this[e]||[],this[e].forEach((function(e){e.call(t&&t.context?t.context:t,t)}))}}const m=new p,d={D50:[.3457/.3585,1,.2958/.3585],D65:[.3127/.329,1,.3583/.329]};function f(e){return Array.isArray(e)?e:d[e]}function g(t,r,a,o={}){if(t=f(t),r=f(r),!t||!r)throw new TypeError(`Missing white point to convert ${t?"":"from"}${t||r?"":"/"}${r?"":"to"}`);if(t===r)return a;let n={W1:t,W2:r,XYZ:a,options:o};if(m.run("chromatic-adaptation-start",n),n.M||(n.W1===d.D65&&n.W2===d.D50?n.M=[[1.0479297925449969,.022946870601609652,-.05019226628920524],[.02962780877005599,.9904344267538799,-.017073799063418826],[-.009243040646204504,.015055191490298152,.7518742814281371]]:n.W1===d.D50&&n.W2===d.D65&&(n.M=[[.955473421488075,-.02309845494876471,.06325924320057072],[-.0283697093338637,1.0099953980813041,.021041441191917323],[.012314014864481998,-.020507649298898964,1.330365926242124]])),m.run("chromatic-adaptation-end",n),n.M)return e(n.M,n.XYZ);throw new TypeError("Only Bradford CAT with white points D50 and D65 supported for now.")}var b={gamut_mapping:"css",precision:5,deltaE:"76",verbose:"test"!==globalThis?.process?.env?.NODE_ENV?.toLowerCase(),warn:function(e){this.verbose&&globalThis?.console?.warn?.(e)}};const M=new Set(["<number>","<percentage>","<angle>"]);function w(e,t,r,a){let o=Object.entries(e.coords).map((([e,o],n)=>{let s,i=t.coordGrammar[n],l=a[n],u=l?.type;if(s=l.none?i.find((e=>M.has(e))):i.find((e=>e==u)),!s){let t=o.name||e;throw new TypeError(`${u??l.raw} not allowed for ${t} in ${r}()`)}let h=s.range;"<percentage>"===u&&(h||=[0,1]);let p=o.range||o.refRange;return h&&p&&(a[n]=c(h,p,a[n])),s}));return o}function y(e,{meta:t}={}){let r={str:String(e)?.trim()};if(m.run("parse-start",r),r.color)return r.color;if(r.parsed=function(e){if(!e)return;e=e.trim();const t=/^-?[\d.]+$/,r=/%|deg|g?rad|turn$/,a=/\/?\s*(none|[-\w.]+(?:%|deg|g?rad|turn)?)/g;let o=e.match(/^([a-z]+)\((.+?)\)$/i);if(o){let e=[];return o[2].replace(a,((a,o)=>{let n=o.match(r),i=o;if(n){let e=n[0],t=i.slice(0,-e.length);"%"===e?(i=new Number(t/100),i.type="<percentage>"):(i=new Number(t*s[e]),i.type="<angle>",i.unit=e)}else t.test(i)?(i=new Number(i),i.type="<number>"):"none"===i&&(i=new Number(NaN),i.none=!0);a.startsWith("/")&&(i=i instanceof Number?i:new Number(i),i.alpha=!0),"object"==typeof i&&i instanceof Number&&(i.raw=o),e.push(i)})),{name:o[1].toLowerCase(),rawName:o[1],rawArgs:o[2],args:e}}}(r.str),r.parsed){let e=r.parsed.name;if("color"===e){let e=r.parsed.args.shift(),a=e.startsWith("--")?e.substring(2):`--${e}`,o=[e,a],n=r.parsed.rawArgs.indexOf("/")>0?r.parsed.args.pop():1;for(let a of C.all){let s=a.getFormat("color");if(s&&(o.includes(s.id)||s.ids?.filter((e=>o.includes(e))).length)){const o=Object.keys(a.coords).map(((e,t)=>r.parsed.args[t]||0));let i;return s.coordGrammar&&(i=w(a,s,"color",o)),t&&Object.assign(t,{formatId:"color",types:i}),s.id.startsWith("--")&&!e.startsWith("--")&&b.warn(`${a.name} is a non-standard space and not currently supported in the CSS spec. Use prefixed color(${s.id}) instead of color(${e}).`),e.startsWith("--")&&!s.id.startsWith("--")&&b.warn(`${a.name} is a standard space and supported in the CSS spec. Use color(${s.id}) instead of prefixed color(${e}).`),{spaceId:a.id,coords:o,alpha:n}}}let s="",i=e in C.registry?e:a;if(i in C.registry){let e=C.registry[i].formats?.color?.id;e&&(s=`Did you mean color(${e})?`)}throw new TypeError(`Cannot parse color(${e}). `+(s||"Missing a plugin?"))}for(let o of C.all){let n=o.getFormat(e);if(n&&"function"===n.type){let s=1;(n.lastAlpha||(a=r.parsed.args,a[a.length-1]).alpha)&&(s=r.parsed.args.pop());let i,c=r.parsed.args;return n.coordGrammar&&(i=w(o,n,e,c)),t&&Object.assign(t,{formatId:n.name,types:i}),{spaceId:o.id,coords:c,alpha:s}}}}else for(let e of C.all)for(let a in e.formats){let o=e.formats[a];if("custom"!==o.type)continue;if(o.test&&!o.test(r.str))continue;let n=o.parse(r.str);if(n)return n.alpha??=1,t&&(t.formatId=a),n}var a;throw new TypeError(`Could not parse ${e} as a color. Missing a plugin?`)}function x(e){if(Array.isArray(e))return e.map(x);if(!e)throw new TypeError("Empty color reference");t(e)&&(e=y(e));let r=e.space||e.spaceId;return r instanceof C||(e.space=C.get(r)),void 0===e.alpha&&(e.alpha=1),e}class C{constructor(e){this.id=e.id,this.name=e.name,this.base=e.base?C.get(e.base):null,this.aliases=e.aliases,this.base&&(this.fromBase=e.fromBase,this.toBase=e.toBase);let t=e.coords??this.base.coords;for(let e in t)"name"in t[e]||(t[e].name=e);this.coords=t;let r=e.white??this.base.white??"D65";this.white=f(r),this.formats=e.formats??{};for(let e in this.formats){let t=this.formats[e];t.type||="function",t.name||=e}this.formats.color?.id||(this.formats.color={...this.formats.color??{},id:e.cssId||this.id}),e.gamutSpace?this.gamutSpace="self"===e.gamutSpace?this:C.get(e.gamutSpace):this.isPolar?this.gamutSpace=this.base:this.gamutSpace=this,this.gamutSpace.isUnbounded&&(this.inGamut=(e,t)=>!0),this.referred=e.referred,Object.defineProperty(this,"path",{value:v(this).reverse(),writable:!1,enumerable:!0,configurable:!0}),m.run("colorspace-init-end",this)}inGamut(e,{epsilon:t=75e-6}={}){if(!this.equals(this.gamutSpace))return e=this.to(this.gamutSpace,e),this.gamutSpace.inGamut(e,{epsilon:t});let r=Object.values(this.coords);return e.every(((e,a)=>{let o=r[a];if("angle"!==o.type&&o.range){if(Number.isNaN(e))return!0;let[r,a]=o.range;return(void 0===r||e>=r-t)&&(void 0===a||e<=a+t)}return!0}))}get isUnbounded(){return Object.values(this.coords).every((e=>!("range"in e)))}get cssId(){return this.formats?.color?.id||this.id}get isPolar(){for(let e in this.coords)if("angle"===this.coords[e].type)return!0;return!1}getFormat(e){if("object"==typeof e)return e=R(e,this);let t;return t="default"===e?Object.values(this.formats)[0]:this.formats[e],t?(t=R(t,this),t):null}equals(e){return!!e&&(this===e||this.id===e||this.id===e.id)}to(e,t){if(1===arguments.length){const r=x(e);[e,t]=[r.space,r.coords]}if(e=C.get(e),this.equals(e))return t;t=t.map((e=>Number.isNaN(e)?0:e));let r,a,o=this.path,n=e.path;for(let e=0;e<o.length&&o[e].equals(n[e]);e++)r=o[e],a=e;if(!r)throw new Error(`Cannot convert between color spaces ${this} and ${e}: no connection space was found`);for(let e=o.length-1;e>a;e--)t=o[e].toBase(t);for(let e=a+1;e<n.length;e++)t=n[e].fromBase(t);return t}from(e,t){if(1===arguments.length){const r=x(e);[e,t]=[r.space,r.coords]}return(e=C.get(e)).to(this,t)}toString(){return`${this.name} (${this.id})`}getMinCoords(){let e=[];for(let t in this.coords){let r=this.coords[t],a=r.range||r.refRange;e.push(a?.min??0)}return e}static registry={};static get all(){return[...new Set(Object.values(C.registry))]}static register(e,t){if(1===arguments.length&&(e=(t=arguments[0]).id),t=this.get(t),this.registry[e]&&this.registry[e]!==t)throw new Error(`Duplicate color space registration: '${e}'`);if(this.registry[e]=t,1===arguments.length&&t.aliases)for(let e of t.aliases)this.register(e,t);return t}static get(e,...t){if(!e||e instanceof C)return e;if("string"===r(e)){let t=C.registry[e.toLowerCase()];if(!t)throw new TypeError(`No color space found with id = "${e}"`);return t}if(t.length)return C.get(...t);throw new TypeError(`${e} is not a valid color space`)}static resolveCoord(e,t){let a,o,n=r(e);if("string"===n?e.includes(".")?[a,o]=e.split("."):[a,o]=[,e]:Array.isArray(e)?[a,o]=e:(a=e.space,o=e.coordId),a=C.get(a),a||(a=t),!a)throw new TypeError(`Cannot resolve coordinate reference ${e}: No color space specified and relative references are not allowed here`);if(n=r(o),"number"===n||"string"===n&&o>=0){let e=Object.entries(a.coords)[o];if(e)return{space:a,id:e[0],index:o,...e[1]}}a=C.get(a);let s=o.toLowerCase(),i=0;for(let e in a.coords){let t=a.coords[e];if(e.toLowerCase()===s||t.name?.toLowerCase()===s)return{space:a,id:e,index:i,...t};i++}throw new TypeError(`No "${o}" coordinate found in ${a.name}. Its coordinates are: ${Object.keys(a.coords).join(", ")}`)}static DEFAULT_FORMAT={type:"functions",name:"color"}}function v(e){let t=[e];for(let r=e;r=r.base;)t.push(r);return t}function R(e,{coords:t}={}){if(e.coords&&!e.coordGrammar){e.type||="function",e.name||="color",e.coordGrammar=e.coords.map((e=>e.split("|").map((e=>{let t=(e=e.trim()).match(/^(<[a-z]+>)\[(-?[.\d]+),\s*(-?[.\d]+)\]?$/);if(t){let e=new String(t[1]);return e.range=[+t[2],+t[3]],e}return e}))));let r=Object.entries(t).map((([t,r],a)=>{let o=e.coordGrammar[a][0],n=r.range||r.refRange,s=o.range,i="";return"<percentage>"==o?(s=[0,100],i="%"):"<angle>"==o&&(i="deg"),{fromRange:n,toRange:s,suffix:i}}));e.serializeCoords=(e,t)=>e.map(((e,o)=>{let{fromRange:n,toRange:s,suffix:i}=r[o];return n&&s&&(e=c(n,s,e)),e=a(e,{precision:t,unit:i})}))}return e}var B=new C({id:"xyz-d65",name:"XYZ D65",coords:{x:{name:"X"},y:{name:"Y"},z:{name:"Z"}},white:"D65",formats:{color:{ids:["xyz-d65","xyz"]}},aliases:["xyz"]});class N extends C{constructor(t){t.coords||(t.coords={r:{range:[0,1],name:"Red"},g:{range:[0,1],name:"Green"},b:{range:[0,1],name:"Blue"}}),t.base||(t.base=B),t.toXYZ_M&&t.fromXYZ_M&&(t.toBase??=r=>{let a=e(t.toXYZ_M,r);return this.white!==this.base.white&&(a=g(this.white,this.base.white,a)),a},t.fromBase??=r=>(r=g(this.base.white,this.white,r),e(t.fromXYZ_M,r))),t.referred??="display",super(t)}}function k(e,t){return e=x(e),!t||e.space.equals(t)?e.coords.slice():(t=C.get(t)).from(e)}function E(e,t){e=x(e);let{space:r,index:a}=C.resolveCoord(t,e.space);return k(e,r)[a]}function S(e,t,r){return e=x(e),t=C.get(t),e.coords=t.to(e.space,r),e}function L(e,t,a){if(e=x(e),2===arguments.length&&"object"===r(arguments[1])){let t=arguments[1];for(let r in t)L(e,r,t[r])}else{"function"==typeof a&&(a=a(E(e,t)));let{space:r,index:o}=C.resolveCoord(t,e.space),n=k(e,r);n[o]=a,S(e,r,n)}return e}S.returns="color",L.returns="color";var _=new C({id:"xyz-d50",name:"XYZ D50",white:"D50",base:B,fromBase:e=>g(B.white,"D50",e),toBase:e=>g("D50",B.white,e)});const A=24/116,I=24389/27;let z=d.D50;var P=new C({id:"lab",name:"Lab",coords:{l:{refRange:[0,100],name:"Lightness"},a:{refRange:[-125,125]},b:{refRange:[-125,125]}},white:z,base:_,fromBase(e){let t=e.map(((e,t)=>e/z[t])).map((e=>e>.008856451679035631?Math.cbrt(e):(I*e+16)/116));return[116*t[1]-16,500*(t[0]-t[1]),200*(t[1]-t[2])]},toBase(e){let t=[];return t[1]=(e[0]+16)/116,t[0]=e[1]/500+t[1],t[2]=t[1]-e[2]/200,[t[0]>A?Math.pow(t[0],3):(116*t[0]-16)/I,e[0]>8?Math.pow((e[0]+16)/116,3):e[0]/I,t[2]>A?Math.pow(t[2],3):(116*t[2]-16)/I].map(((e,t)=>e*z[t]))},formats:{lab:{coords:["<number> | <percentage>","<number> | <percentage>[-1,1]","<number> | <percentage>[-1,1]"]}}});function $(e){return(e%360+360)%360}var D=new C({id:"lch",name:"LCH",coords:{l:{refRange:[0,100],name:"Lightness"},c:{refRange:[0,150],name:"Chroma"},h:{refRange:[0,360],type:"angle",name:"Hue"}},base:P,fromBase(e){let t,[r,a,o]=e;return t=Math.abs(a)<.02&&Math.abs(o)<.02?NaN:180*Math.atan2(o,a)/Math.PI,[r,Math.sqrt(a**2+o**2),$(t)]},toBase(e){let[t,r,a]=e;return r<0&&(r=0),isNaN(a)&&(a=0),[t,r*Math.cos(a*Math.PI/180),r*Math.sin(a*Math.PI/180)]},formats:{lch:{coords:["<number> | <percentage>","<number> | <percentage>","<number> | <angle>"]}}});const q=25**7,H=Math.PI,j=180/H,W=H/180;function T(e){const t=e*e;return t*t*t*e}function G(e,t,{kL:r=1,kC:a=1,kH:o=1}={}){[e,t]=x([e,t]);let[n,s,i]=P.from(e),c=D.from(P,[n,s,i])[1],[l,u,h]=P.from(t),p=D.from(P,[l,u,h])[1];c<0&&(c=0),p<0&&(p=0);let m=T((c+p)/2),d=.5*(1-Math.sqrt(m/(m+q))),f=(1+d)*s,g=(1+d)*u,M=Math.sqrt(f**2+i**2),w=Math.sqrt(g**2+h**2),y=0===f&&0===i?0:Math.atan2(i,f),C=0===g&&0===h?0:Math.atan2(h,g);y<0&&(y+=2*H),C<0&&(C+=2*H),y*=j,C*=j;let v,R=l-n,B=w-M,N=C-y,k=y+C,E=Math.abs(N);M*w==0?v=0:E<=180?v=N:N>180?v=N-360:N<-180?v=N+360:b.warn("the unthinkable has happened");let S,L=2*Math.sqrt(w*M)*Math.sin(v*W/2),_=(n+l)/2,A=(M+w)/2,I=T(A);S=M*w==0?k:E<=180?k/2:k<360?(k+360)/2:(k-360)/2;let z=(_-50)**2,$=1+.015*z/Math.sqrt(20+z),G=1+.045*A,O=1;O-=.17*Math.cos((S-30)*W),O+=.24*Math.cos(2*S*W),O+=.32*Math.cos((3*S+6)*W),O-=.2*Math.cos((4*S-63)*W);let X=1+.015*A*O,Y=30*Math.exp(-1*((S-275)/25)**2),Z=2*Math.sqrt(I/(I+q)),J=(R/(r*$))**2;return J+=(B/(a*G))**2,J+=(L/(o*X))**2,J+=-1*Math.sin(2*Y*W)*Z*(B/(a*G))*(L/(o*X)),Math.sqrt(J)}const O=[[.819022437996703,.3619062600528904,-.1288737815209879],[.0329836539323885,.9292868615863434,.0361446663506424],[.0481771893596242,.2642395317527308,.6335478284694309]],X=[[1.2268798758459243,-.5578149944602171,.2813910456659647],[-.0405757452148008,1.112286803280317,-.0717110580655164],[-.0763729366746601,-.4214933324022432,1.5869240198367816]],Y=[[.210454268309314,.7936177747023054,-.0040720430116193],[1.9779985324311684,-2.42859224204858,.450593709617411],[.0259040424655478,.7827717124575296,-.8086757549230774]],Z=[[1,.3963377773761749,.2158037573099136],[1,-.1055613458156586,-.0638541728258133],[1,-.0894841775298119,-1.2914855480194092]];var J=new C({id:"oklab",name:"Oklab",coords:{l:{refRange:[0,1],name:"Lightness"},a:{refRange:[-.4,.4]},b:{refRange:[-.4,.4]}},white:"D65",base:B,fromBase(t){let r=e(O,t).map((e=>Math.cbrt(e)));return e(Y,r)},toBase(t){let r=e(Z,t).map((e=>e**3));return e(X,r)},formats:{oklab:{coords:["<percentage> | <number>","<number> | <percentage>[-1,1]","<number> | <percentage>[-1,1]"]}}});function F(e,t){[e,t]=x([e,t]);let[r,a,o]=J.from(e),[n,s,i]=J.from(t),c=r-n,l=a-s,u=o-i;return Math.sqrt(c**2+l**2+u**2)}const Q=75e-6;function U(e,t,{epsilon:r=Q}={}){e=x(e),t||(t=e.space),t=C.get(t);let a=e.coords;return t!==e.space&&(a=t.from(e)),t.inGamut(a,{epsilon:r})}function K(e){return{space:e.space,coords:e.coords.slice(),alpha:e.alpha}}function V(e,t,r="lab"){let a=(r=C.get(r)).from(e),o=r.from(t);return Math.sqrt(a.reduce(((e,t,r)=>{let a=o[r];return isNaN(t)||isNaN(a)?e:e+(a-t)**2}),0))}function ee(e,t){return V(e,t,"lab")}const te=Math.PI/180;function re(e,t,{l:r=2,c:a=1}={}){[e,t]=x([e,t]);let[o,n,s]=P.from(e),[,i,c]=D.from(P,[o,n,s]),[l,u,h]=P.from(t),p=D.from(P,[l,u,h])[1];i<0&&(i=0),p<0&&(p=0);let m=o-l,d=i-p,f=(n-u)**2+(s-h)**2-d**2,g=.511;o>=16&&(g=.040975*o/(1+.01765*o));let 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t=Math.pow(e+16,3)/1560896,r=t>.008856451679035631?t:e/903.2962962962963,a=r*(284517*cr-94839*ur),o=r*(838422*ur+769860*lr+731718*cr),n=r*(632260*ur-126452*lr),s=r*(284517*hr-94839*mr),i=r*(838422*mr+769860*pr+731718*hr),c=r*(632260*mr-126452*pr),l=r*(284517*dr-94839*gr),u=r*(838422*gr+769860*fr+731718*dr),h=r*(632260*gr-126452*fr);return{r0s:a/n,r0i:o*e/n,r1s:a/(n+126452),r1i:(o-769860)*e/(n+126452),g0s:s/c,g0i:i*e/c,g1s:s/(c+126452),g1i:(i-769860)*e/(c+126452),b0s:l/h,b0i:u*e/h,b1s:l/(h+126452),b1i:(u-769860)*e/(h+126452)}}function wr(e,t){const r=t/360*Math.PI*2,a=br(e.r0s,e.r0i,r),o=br(e.r1s,e.r1i,r),n=br(e.g0s,e.g0i,r),s=br(e.g1s,e.g1i,r),i=br(e.b0s,e.b0i,r),c=br(e.b1s,e.b1i,r);return Math.min(a,o,n,s,i,c)}var yr=new C({id:"hsluv",name:"HSLuv",coords:{h:{refRange:[0,360],type:"angle",name:"Hue"},s:{range:[0,100],name:"Saturation"},l:{range:[0,100],name:"Lightness"}},base:ir,gamutSpace:Rt,fromBase(e){let t,[r,a,o]=[n(e[0]),n(e[1]),n(e[2])];if(r>99.9999999)t=0,r=100;else if(r<1e-8)t=0,r=0;else{t=a/wr(Mr(r),o)*100}return[o,t,r]},toBase(e){let t,[r,a,o]=[n(e[0]),n(e[1]),n(e[2])];if(o>99.9999999)o=100,t=0;else if(o<1e-8)o=0,t=0;else{t=wr(Mr(o),r)/100*a}return[o,t,r]},formats:{color:{id:"--hsluv",coords:["<number> | <angle>","<percentage> | <number>","<percentage> | <number>"]}}});function xr(e,t){return Math.abs(t)/Math.sqrt(Math.pow(e,2)+1)}function Cr(e){let t=xr(e.r0s,e.r0i),r=xr(e.r1s,e.r1i),a=xr(e.g0s,e.g0i),o=xr(e.g1s,e.g1i),n=xr(e.b0s,e.b0i),s=xr(e.b1s,e.b1i);return Math.min(t,r,a,o,n,s)}wt[0][0],wt[0][1],wt[0][2],wt[1][0],wt[1][1],wt[1][2],wt[2][0],wt[2][1],wt[2][2];var vr=new C({id:"hpluv",name:"HPLuv",coords:{h:{refRange:[0,360],type:"angle",name:"Hue"},s:{range:[0,100],name:"Saturation"},l:{range:[0,100],name:"Lightness"}},base:ir,gamutSpace:"self",fromBase(e){let t,[r,a,o]=[n(e[0]),n(e[1]),n(e[2])];if(r>99.9999999)t=0,r=100;else if(r<1e-8)t=0,r=0;else{t=a/Cr(Mr(r))*100}return[o,t,r]},toBase(e){let t,[r,a,o]=[n(e[0]),n(e[1]),n(e[2])];if(o>99.9999999)o=100,t=0;else if(o<1e-8)o=0,t=0;else{t=Cr(Mr(o))/100*a}return[o,t,r]},formats:{color:{id:"--hpluv",coords:["<number> | <angle>","<percentage> | <number>","<percentage> | <number>"]}}});const Rr=2610/16384,Br=32/2523,Nr=.8359375,kr=2413/128,Er=18.6875;var Sr=new N({id:"rec2100pq",cssId:"rec2100-pq",name:"REC.2100-PQ",base:dt,toBase:e=>e.map((function(e){return 1e4*(Math.max(e**Br-Nr,0)/(kr-Er*e**Br))**6.277394636015326/203})),fromBase:e=>e.map((function(e){let t=Math.max(203*e/1e4,0);return((Nr+kr*t**Rr)/(1+Er*t**Rr))**78.84375}))});const Lr=.17883277,_r=.28466892,Ar=.55991073,Ir=3.7743;var zr=new N({id:"rec2100hlg",cssId:"rec2100-hlg",name:"REC.2100-HLG",referred:"scene",base:dt,toBase:e=>e.map((function(e){return e<=.5?e**2/3*Ir:(Math.exp((e-Ar)/Lr)+_r)/12*Ir})),fromBase:e=>e.map((function(e){return(e/=Ir)<=1/12?Math.sqrt(3*e):Lr*Math.log(12*e-_r)+Ar}))});const Pr={};function $r({id:e,toCone_M:t,fromCone_M:r}){Pr[e]=arguments[0]}function Dr(t,r,a="Bradford"){let o=Pr[a],[n,s,i]=e(o.toCone_M,t),[c,l,u]=e(o.toCone_M,r),h=e([[c/n,0,0],[0,l/s,0],[0,0,u/i]],o.toCone_M);return e(o.fromCone_M,h)}m.add("chromatic-adaptation-start",(e=>{e.options.method&&(e.M=Dr(e.W1,e.W2,e.options.method))})),m.add("chromatic-adaptation-end",(e=>{e.M||(e.M=Dr(e.W1,e.W2,e.options.method))})),$r({id:"von Kries",toCone_M:[[.40024,.7076,-.08081],[-.2263,1.16532,.0457],[0,0,.91822]],fromCone_M:[[1.8599363874558397,-1.1293816185800916,.21989740959619328],[.3611914362417676,.6388124632850422,-6370596838649899e-21],[0,0,1.0890636230968613]]}),$r({id:"Bradford",toCone_M:[[.8951,.2664,-.1614],[-.7502,1.7135,.0367],[.0389,-.0685,1.0296]],fromCone_M:[[.9869929054667121,-.14705425642099013,.15996265166373122],[.4323052697233945,.5183602715367774,.049291228212855594],[-.00852866457517732,.04004282165408486,.96848669578755]]}),$r({id:"CAT02",toCone_M:[[.7328,.4296,-.1624],[-.7036,1.6975,.0061],[.003,.0136,.9834]],fromCone_M:[[1.0961238208355142,-.27886900021828726,.18274517938277307],[.4543690419753592,.4735331543074117,.07209780371722911],[-.009627608738429355,-.00569803121611342,1.0153256399545427]]}),$r({id:"CAT16",toCone_M:[[.401288,.650173,-.051461],[-.250268,1.204414,.045854],[-.002079,.048952,.953127]],fromCone_M:[[1.862067855087233,-1.0112546305316845,.14918677544445172],[.3875265432361372,.6214474419314753,-.008973985167612521],[-.01584149884933386,-.03412293802851557,1.0499644368778496]]}),Object.assign(d,{A:[1.0985,1,.35585],C:[.98074,1,1.18232],D55:[.95682,1,.92149],D75:[.94972,1,1.22638],E:[1,1,1],F2:[.99186,1,.67393],F7:[.95041,1,1.08747],F11:[1.00962,1,.6435]}),d.ACES=[.32168/.33767,1,.34065/.33767];var qr=new N({id:"acescg",cssId:"--acescg",name:"ACEScg",coords:{r:{range:[0,65504],name:"Red"},g:{range:[0,65504],name:"Green"},b:{range:[0,65504],name:"Blue"}},referred:"scene",white:d.ACES,toXYZ_M:[[.6624541811085053,.13400420645643313,.1561876870049078],[.27222871678091454,.6740817658111484,.05368951740793705],[-.005574649490394108,.004060733528982826,1.0103391003129971]],fromXYZ_M:[[1.6410233796943257,-.32480329418479,-.23642469523761225],[-.6636628587229829,1.6153315916573379,.016756347685530137],[.011721894328375376,-.008284441996237409,.9883948585390215]]});const Hr=2**-16,jr=-.35828683,Wr=(Math.log2(65504)+9.72)/17.52;var Tr=new N({id:"acescc",cssId:"--acescc",name:"ACEScc",coords:{r:{range:[jr,Wr],name:"Red"},g:{range:[jr,Wr],name:"Green"},b:{range:[jr,Wr],name:"Blue"}},referred:"scene",base:qr,toBase:e=>e.map((function(e){return e<=-.3013698630136986?2*(2**(17.52*e-9.72)-Hr):e<Wr?2**(17.52*e-9.72):65504})),fromBase:e=>e.map((function(e){return e<=0?(Math.log2(Hr)+9.72)/17.52:e<Hr?(Math.log2(Hr+.5*e)+9.72)/17.52:(Math.log2(e)+9.72)/17.52}))});exports.A98RGB=Kt,exports.A98RGB_Linear=Ut,exports.ACEScc=Tr,exports.ACEScg=qr,exports.CAM16_JMh=Fe,exports.ColorSpace=C,exports.HCT=rt,exports.HPLuv=vr,exports.HSL=Jt,exports.HSLuv=yr,exports.HSV=Ft,exports.HWB=Qt,exports.Hooks=p,exports.ICTCP=_e,exports.JzCzHz=Me,exports.Jzazbz=be,exports.LCH=D,exports.LCHuv=ir,exports.Lab=P,exports.Lab_D65=jt,exports.Luv=sr,exports.OKLCH=tr,exports.OKLab=J,exports.P3=Bt,exports.P3_Linear=Mt,exports.ProPhoto=er,exports.ProPhoto_Linear=Vt,exports.REC_2020=bt,exports.REC_2020_Linear=dt,exports.REC_2100_HLG=zr,exports.REC_2100_PQ=Sr,exports.RGBColorSpace=N,exports.XYZ_ABS_D65=ae,exports.XYZ_D50=_,exports.XYZ_D65=B,exports.clone=K,exports.contrast=function(e,r,a={}){t(a)&&(a={algorithm:a});let{algorithm:o,...n}=a;if(!o){let e=Object.keys(Gt).map((