!function(r,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(r="undefined"!=typeof globalThis?globalThis:r||self)["Postcss blend colors"]=e()}(this,(function(){"use strict";"undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self&&self;function r(r){return r&&r.__esModule&&Object.prototype.hasOwnProperty.call(r,"default")?r.default:r}var e={exports:{}};
/**
   * chroma.js - JavaScript library for color conversions
   *
   * Copyright (c) 2011-2019, Gregor Aisch
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   * list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   * this list of conditions and the following disclaimer in the documentation
   * and/or other materials provided with the distribution.
   *
   * 3. The name Gregor Aisch may not be used to endorse or promote products
   * derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL GREGOR AISCH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
   * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * -------------------------------------------------------
   *
   * chroma.js includes colors from colorbrewer2.org, which are released under
   * the following license:
   *
   * Copyright (c) 2002 Cynthia Brewer, Mark Harrower,
   * and The Pennsylvania State University.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied. See the License for the specific
   * language governing permissions and limitations under the License.
   *
   * ------------------------------------------------------
   *
   * Named colors are taken from X11 Color Names.
   * http://www.w3.org/TR/css3-color/#svg-color
   *
   * @preserve
   */e.exports=function(){for(var r=function(r,e,n){return void 0===e&&(e=0),void 0===n&&(n=1),r<e?e:r>n?n:r},e=r,n=function(r){r._clipped=!1,r._unclipped=r.slice(0);for(var n=0;n<=3;n++)n<3?((r[n]<0||r[n]>255)&&(r._clipped=!0),r[n]=e(r[n],0,255)):3===n&&(r[n]=e(r[n],0,1));return r},t={},a=0,f=["Boolean","Number","String","Function","Array","Date","RegExp","Undefined","Null"];a<f.length;a+=1){var o=f[a];t["[object "+o+"]"]=o.toLowerCase()}var u=function(r){return t[Object.prototype.toString.call(r)]||"object"},c=u,i=function(r,e){return void 0===e&&(e=null),r.length>=3?Array.prototype.slice.call(r):"object"==c(r[0])&&e?e.split("").filter((function(e){return void 0!==r[0][e]})).map((function(e){return r[0][e]})):r[0]},l=u,h=function(r){if(r.length<2)return null;var e=r.length-1;return"string"==l(r[e])?r[e].toLowerCase():null},s=Math.PI,d={clip_rgb:n,limit:r,type:u,unpack:i,last:h,PI:s,TWOPI:2*s,PITHIRD:s/3,DEG2RAD:s/180,RAD2DEG:180/s},b={format:{},autodetect:[]},p=d.last,g=d.clip_rgb,v=d.type,m=b,y=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=this;if("object"===v(r[0])&&r[0].constructor&&r[0].constructor===this.constructor)return r[0];var t=p(r),a=!1;if(!t){a=!0,m.sorted||(m.autodetect=m.autodetect.sort((function(r,e){return e.p-r.p})),m.sorted=!0);for(var f=0,o=m.autodetect;f<o.length;f+=1){var u=o[f];if(t=u.test.apply(u,r))break}}if(!m.format[t])throw new Error("unknown format: "+r);var c=m.format[t].apply(null,a?r:r.slice(0,-1));n._rgb=g(c),3===n._rgb.length&&n._rgb.push(1)};y.prototype.toString=function(){return"function"==v(this.hex)?this.hex():"["+this._rgb.join(",")+"]"};var w=y,k=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(k.Color,[null].concat(r)))};k.Color=w,k.version="2.4.2";var M=k,_=d.unpack,N=Math.max,x=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=_(r,"rgb"),t=n[0],a=n[1],f=n[2],o=1-N(t/=255,N(a/=255,f/=255)),u=o<1?1/(1-o):0;return[(1-t-o)*u,(1-a-o)*u,(1-f-o)*u,o]},A=x,E=d.unpack,F=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=(r=E(r,"cmyk"))[0],t=r[1],a=r[2],f=r[3],o=r.length>4?r[4]:1;return 1===f?[0,0,0,o]:[n>=1?0:255*(1-n)*(1-f),t>=1?0:255*(1-t)*(1-f),a>=1?0:255*(1-a)*(1-f),o]},P=F,O=M,j=w,R=b,G=d.unpack,q=d.type,L=A;j.prototype.cmyk=function(){return L(this._rgb)},O.cmyk=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(j,[null].concat(r,["cmyk"])))},R.format.cmyk=P,R.autodetect.push({p:2,test:function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];if(r=G(r,"cmyk"),"array"===q(r)&&4===r.length)return"cmyk"}});var I=d.unpack,B=d.last,C=function(r){return Math.round(100*r)/100},D=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=I(r,"hsla"),t=B(r)||"lsa";return n[0]=C(n[0]||0),n[1]=C(100*n[1])+"%",n[2]=C(100*n[2])+"%","hsla"===t||n.length>3&&n[3]<1?(n[3]=n.length>3?n[3]:1,t="hsla"):n.length=3,t+"("+n.join(",")+")"},T=D,Y=d.unpack,z=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=(r=Y(r,"rgba"))[0],t=r[1],a=r[2];n/=255,t/=255,a/=255;var f,o,u=Math.min(n,t,a),c=Math.max(n,t,a),i=(c+u)/2;return c===u?(f=0,o=Number.NaN):f=i<.5?(c-u)/(c+u):(c-u)/(2-c-u),n==c?o=(t-a)/(c-u):t==c?o=2+(a-n)/(c-u):a==c&&(o=4+(n-t)/(c-u)),(o*=60)<0&&(o+=360),r.length>3&&void 0!==r[3]?[o,f,i,r[3]]:[o,f,i]},S=z,$=d.unpack,X=d.last,U=T,V=S,W=Math.round,K=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=$(r,"rgba"),t=X(r)||"rgb";return"hsl"==t.substr(0,3)?U(V(n),t):(n[0]=W(n[0]),n[1]=W(n[1]),n[2]=W(n[2]),("rgba"===t||n.length>3&&n[3]<1)&&(n[3]=n.length>3?n[3]:1,t="rgba"),t+"("+n.slice(0,"rgb"===t?3:4).join(",")+")")},Z=K,H=d.unpack,J=Math.round,Q=function(){for(var r,e=[],n=arguments.length;n--;)e[n]=arguments[n];var t,a,f,o=(e=H(e,"hsl"))[0],u=e[1],c=e[2];if(0===u)t=a=f=255*c;else{var i=[0,0,0],l=[0,0,0],h=c<.5?c*(1+u):c+u-c*u,s=2*c-h,d=o/360;i[0]=d+1/3,i[1]=d,i[2]=d-1/3;for(var b=0;b<3;b++)i[b]<0&&(i[b]+=1),i[b]>1&&(i[b]-=1),6*i[b]<1?l[b]=s+6*(h-s)*i[b]:2*i[b]<1?l[b]=h:3*i[b]<2?l[b]=s+(h-s)*(2/3-i[b])*6:l[b]=s;t=(r=[J(255*l[0]),J(255*l[1]),J(255*l[2])])[0],a=r[1],f=r[2]}return e.length>3?[t,a,f,e[3]]:[t,a,f,1]},rr=Q,er=rr,nr=b,tr=/^rgb\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*\)$/,ar=/^rgba\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*,\s*([01]|[01]?\.\d+)\)$/,fr=/^rgb\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/,or=/^rgba\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/,ur=/^hsl\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/,cr=/^hsla\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/,ir=Math.round,lr=function(r){var e;if(r=r.toLowerCase().trim(),nr.format.named)try{return nr.format.named(r)}catch(b){}if(e=r.match(tr)){for(var n=e.slice(1,4),t=0;t<3;t++)n[t]=+n[t];return n[3]=1,n}if(e=r.match(ar)){for(var a=e.slice(1,5),f=0;f<4;f++)a[f]=+a[f];return a}if(e=r.match(fr)){for(var o=e.slice(1,4),u=0;u<3;u++)o[u]=ir(2.55*o[u]);return o[3]=1,o}if(e=r.match(or)){for(var c=e.slice(1,5),i=0;i<3;i++)c[i]=ir(2.55*c[i]);return c[3]=+c[3],c}if(e=r.match(ur)){var l=e.slice(1,4);l[1]*=.01,l[2]*=.01;var h=er(l);return h[3]=1,h}if(e=r.match(cr)){var s=e.slice(1,4);s[1]*=.01,s[2]*=.01;var d=er(s);return d[3]=+e[4],d}};lr.test=function(r){return tr.test(r)||ar.test(r)||fr.test(r)||or.test(r)||ur.test(r)||cr.test(r)};var hr=lr,sr=M,dr=w,br=b,pr=d.type,gr=Z,vr=hr;dr.prototype.css=function(r){return gr(this._rgb,r)},sr.css=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(dr,[null].concat(r,["css"])))},br.format.css=vr,br.autodetect.push({p:5,test:function(r){for(var e=[],n=arguments.length-1;n-- >0;)e[n]=arguments[n+1];if(!e.length&&"string"===pr(r)&&vr.test(r))return"css"}});var mr=w,yr=M,wr=b,kr=d.unpack;wr.format.gl=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=kr(r,"rgba");return n[0]*=255,n[1]*=255,n[2]*=255,n},yr.gl=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(mr,[null].concat(r,["gl"])))},mr.prototype.gl=function(){var r=this._rgb;return[r[0]/255,r[1]/255,r[2]/255,r[3]]};var Mr=d.unpack,_r=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n,t=Mr(r,"rgb"),a=t[0],f=t[1],o=t[2],u=Math.min(a,f,o),c=Math.max(a,f,o),i=c-u,l=100*i/255,h=u/(255-i)*100;return 0===i?n=Number.NaN:(a===c&&(n=(f-o)/i),f===c&&(n=2+(o-a)/i),o===c&&(n=4+(a-f)/i),(n*=60)<0&&(n+=360)),[n,l,h]},Nr=_r,xr=d.unpack,Ar=Math.floor,Er=function(){for(var r,e,n,t,a,f,o=[],u=arguments.length;u--;)o[u]=arguments[u];var c,i,l,h=(o=xr(o,"hcg"))[0],s=o[1],d=o[2];d*=255;var b=255*s;if(0===s)c=i=l=d;else{360===h&&(h=0),h>360&&(h-=360),h<0&&(h+=360);var p=Ar(h/=60),g=h-p,v=d*(1-s),m=v+b*(1-g),y=v+b*g,w=v+b;switch(p){case 0:c=(r=[w,y,v])[0],i=r[1],l=r[2];break;case 1:c=(e=[m,w,v])[0],i=e[1],l=e[2];break;case 2:c=(n=[v,w,y])[0],i=n[1],l=n[2];break;case 3:c=(t=[v,m,w])[0],i=t[1],l=t[2];break;case 4:c=(a=[y,v,w])[0],i=a[1],l=a[2];break;case 5:c=(f=[w,v,m])[0],i=f[1],l=f[2]}}return[c,i,l,o.length>3?o[3]:1]},Fr=Er,Pr=d.unpack,Or=d.type,jr=M,Rr=w,Gr=b,qr=Nr;Rr.prototype.hcg=function(){return qr(this._rgb)},jr.hcg=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(Rr,[null].concat(r,["hcg"])))},Gr.format.hcg=Fr,Gr.autodetect.push({p:1,test:function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];if(r=Pr(r,"hcg"),"array"===Or(r)&&3===r.length)return"hcg"}});var Lr=d.unpack,Ir=d.last,Br=Math.round,Cr=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=Lr(r,"rgba"),t=n[0],a=n[1],f=n[2],o=n[3],u=Ir(r)||"auto";void 0===o&&(o=1),"auto"===u&&(u=o<1?"rgba":"rgb");var c="000000"+((t=Br(t))<<16|(a=Br(a))<<8|(f=Br(f))).toString(16);c=c.substr(c.length-6);var i="0"+Br(255*o).toString(16);switch(i=i.substr(i.length-2),u.toLowerCase()){case"rgba":return"#"+c+i;case"argb":return"#"+i+c;default:return"#"+c}},Dr=Cr,Tr=/^#?([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/,Yr=/^#?([A-Fa-f0-9]{8}|[A-Fa-f0-9]{4})$/,zr=function(r){if(r.match(Tr)){4!==r.length&&7!==r.length||(r=r.substr(1)),3===r.length&&(r=(r=r.split(""))[0]+r[0]+r[1]+r[1]+r[2]+r[2]);var e=parseInt(r,16);return[e>>16,e>>8&255,255&e,1]}if(r.match(Yr)){5!==r.length&&9!==r.length||(r=r.substr(1)),4===r.length&&(r=(r=r.split(""))[0]+r[0]+r[1]+r[1]+r[2]+r[2]+r[3]+r[3]);var n=parseInt(r,16);return[n>>24&255,n>>16&255,n>>8&255,Math.round((255&n)/255*100)/100]}throw new Error("unknown hex color: "+r)},Sr=M,$r=w,Xr=d.type,Ur=b,Vr=Dr;$r.prototype.hex=function(r){return Vr(this._rgb,r)},Sr.hex=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply($r,[null].concat(r,["hex"])))},Ur.format.hex=zr,Ur.autodetect.push({p:4,test:function(r){for(var e=[],n=arguments.length-1;n-- >0;)e[n]=arguments[n+1];if(!e.length&&"string"===Xr(r)&&[3,4,5,6,7,8,9].indexOf(r.length)>=0)return"hex"}});var Wr=d.unpack,Kr=d.TWOPI,Zr=Math.min,Hr=Math.sqrt,Jr=Math.acos,Qr=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n,t=Wr(r,"rgb"),a=t[0],f=t[1],o=t[2],u=Zr(a/=255,f/=255,o/=255),c=(a+f+o)/3,i=c>0?1-u/c:0;return 0===i?n=NaN:(n=(a-f+(a-o))/2,n/=Hr((a-f)*(a-f)+(a-o)*(f-o)),n=Jr(n),o>f&&(n=Kr-n),n/=Kr),[360*n,i,c]},re=Qr,ee=d.unpack,ne=d.limit,te=d.TWOPI,ae=d.PITHIRD,fe=Math.cos,oe=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n,t,a,f=(r=ee(r,"hsi"))[0],o=r[1],u=r[2];return isNaN(f)&&(f=0),isNaN(o)&&(o=0),f>360&&(f-=360),f<0&&(f+=360),(f/=360)<1/3?t=1-((a=(1-o)/3)+(n=(1+o*fe(te*f)/fe(ae-te*f))/3)):f<2/3?a=1-((n=(1-o)/3)+(t=(1+o*fe(te*(f-=1/3))/fe(ae-te*f))/3)):n=1-((t=(1-o)/3)+(a=(1+o*fe(te*(f-=2/3))/fe(ae-te*f))/3)),[255*(n=ne(u*n*3)),255*(t=ne(u*t*3)),255*(a=ne(u*a*3)),r.length>3?r[3]:1]},ue=oe,ce=d.unpack,ie=d.type,le=M,he=w,se=b,de=re;he.prototype.hsi=function(){return de(this._rgb)},le.hsi=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(he,[null].concat(r,["hsi"])))},se.format.hsi=ue,se.autodetect.push({p:2,test:function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];if(r=ce(r,"hsi"),"array"===ie(r)&&3===r.length)return"hsi"}});var be=d.unpack,pe=d.type,ge=M,ve=w,me=b,ye=S;ve.prototype.hsl=function(){return ye(this._rgb)},ge.hsl=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return 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