diff --git a/index.html b/index.html
new file mode 100644
index 0000000..784a19a
--- /dev/null
+++ b/index.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8" />
+  <link rel="icon" type="image/svg+xml" href="./vite.svg" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Vite + TS</title>
+  <script type="module" crossorigin>(function(){const e=document.createElement("link").relList;if(e&&e.supports&&e.supports("modulepreload"))return;for(const t of document.querySelectorAll('link[rel="modulepreload"]'))n(t);new MutationObserver(t=>{for(const r of t)if(r.type==="childList")for(const i of r.addedNodes)i.tagName==="LINK"&&i.rel==="modulepreload"&&n(i)}).observe(document,{childList:!0,subtree:!0});function s(t){const r={};return t.integrity&&(r.integrity=t.integrity),t.referrerPolicy&&(r.referrerPolicy=t.referrerPolicy),t.crossOrigin==="use-credentials"?r.credentials="include":t.crossOrigin==="anonymous"?r.credentials="omit":r.credentials="same-origin",r}function n(t){if(t.ep)return;t.ep=!0;const r=s(t);fetch(t.href,r)}})();class w{constructor(e){document.addEventListener("paste",s=>{var r;const n=(r=s.clipboardData)==null?void 0:r.items;let t=0;if(console.log("items",n),!n)throw new Error("Error: no items found");for(let i=0;i<n.length;i++){const l=n[i];if(console.log("item",l),l.kind==="file"){console.log("item",l);const m=l.getAsFile(),u=new FileReader;if(u.onload=d=>{var g,p;if(!((g=d.target)!=null&&g.result))throw new Error("Error: file format not supported");e((p=d.target)==null?void 0:p.result)},u.onerror=d=>{throw new Error(`${d}`)},!m)throw new Error("Error: blob was null");u.readAsDataURL(m)}else t++}if(t===n.length)throw new Error("No image/file found")})}}const c=document.createElement("canvas"),f=c.getContext("2d");if(!f)throw new Error("ERROR: 2d context not supported!");new w(o=>{if(typeof o!="string")throw new Error("Error: arraybuffer not supported!");const e=document.createElement("img");e.src=o,e.onload=()=>{console.log("loaded"),c.width=e.width,c.height=e.height,h(f,e,()=>{}),h(f,e,E)}});function h(o,e,s){o.drawImage(e,0,0);const n=o.getImageData(0,0,c.width,c.height);s(n.data),o.putImageData(n,0,0);const t=document.createElement("img");t.src=c.toDataURL(),document.body.prepend(t)}function E(o){for(let e=0;e<o.length;e+=4){const s=o[e]/255,n=o[e+1]/255,t=o[e+2]/255,r=a.YtoLstar(a.rgbToY(s,n,t));o[e]=r*255/100,o[e+1]=r*255/100,o[e+2]=r*255/100}}class a{static rgbToY(e,s,n){return .2126*a.sRGBtoLin(e)+.7152*a.sRGBtoLin(s)+.0722*a.sRGBtoLin(n)}static YtoLstar(e){return e<=.008856?e*903.3:Math.pow(e,1/3)*116-16}static sRGBtoLin(e){return e<=.04045?e/12.92:Math.pow((e+.055)/1.055,2.4)}}
+</script>
+  <style rel="stylesheet" crossorigin>*,html{padding:0;margin:0;font-family:Arial,Helvetica,sans-serif}img{display:block}#app{display:flex;justify-content:center;padding:2rem}
+</style>
+</head>
+
+<body>
+  <div id="app">
+    <h1><b><i>CTRL+V</i></b> <span style="font-weight: 300;">to convert image to perceived lightness (L*)</span></h1>
+  </div>
+</body>
+
+</html>
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diff --git a/vite.svg b/vite.svg
new file mode 100644
index 0000000..e7b8dfb
--- /dev/null
+++ b/vite.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>
\ No newline at end of file
