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WebGL-2d HSL colors are brownish
<h3>Canvas 2d Default</h3> <canvas id="canvas-default"></canvas> <h3>Canvas Webgl-2d</h3> <canvas id="canvas-webgl"></canvas> <script src="webgl-2d.js"></script> <script> var width = 600, height = 200; var canvasDefault = document.getElementById("canvas-default"); canvasDefault.width = width; canvasDefault.height = height; var canvasWebgl = document.getElementById("canvas-webgl"); canvasWebgl.width = width; canvasWebgl.height = height; WebGL2D.enable(canvasWebgl) var ctx = canvasDefault.getContext("2d"); var webgl = canvasWebgl.getContext("webgl-2d"); var j = 10; while (--j > 0) { var i = 20; while (--i > 0) { var color = "hsl(" + (360/i) + "," + (100/j) + "%," + (60-j)+ "%)"; ctx.fillStyle = color; webgl.fillStyle = color; ctx.fillRect(30*(i-1),20*(j-1),20,15); webgl.fillRect(30*(i-1),20*(j-1),20,15); } } </script>