<!DOCTYPE html>
<html>
<body>
<h1>HTML5 Canvas</h1>
<canvas id="myCanvas" width="200" height="200" style="border:1px solid">
</canvas>
<script>
const c = document.getElementById("myCanvas");
const ctx = c.getContext("2d");
ctx.fillStyle = "#92B901";
ctx.fillRect(50, 50, 100, 100);
</script>
</body>
</html>