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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/clear-srgb-color-buffer.html b/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/clear-srgb-color-buffer.html
new file mode 100644
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+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/clear-srgb-color-buffer.html
@@ -0,0 +1,89 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Clear sRGB Color Buffer</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/js-test-pre.js"></script>
+<script src="../../js/webgl-test-utils.js"></script>
+</head>
+<body>
+<canvas id="example" width="8" height="8"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+
+<script>
+"use strict";
+
+var wtu = WebGLTestUtils;
+description("This test verifies the functionality of clearing srgb color buffer.");
+
+var gl = wtu.create3DContext("example", undefined, 2);
+
+var tex = gl.createTexture();
+var fbo = gl.createFramebuffer();
+var size = 8;
+
+if (!gl) {
+    testFailed("WebGL context does not exist");
+} else {
+    testPassed("WebGL context exists");
+
+    // Create a srgb color buffer
+    init();
+
+    clear_srgb_color_buffer(0);
+    clear_srgb_color_buffer(1);
+}
+
+function init() {
+    gl.bindTexture(gl.TEXTURE_2D, tex);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.SRGB8_ALPHA8, size, size, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
+    gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
+    gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
+    if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {
+        testFailed("Framebuffer incomplete.");
+        return;
+    } else {
+        testPassed("framebuffer complete!");
+    }
+}
+
+function clear_srgb_color_buffer(iter) {
+    debug("");
+    debug("Clear sRGB color buffer through glClear or glClearBufferfv");
+
+    var color = [0x33, 0x88, 0xbb, 0xff];
+    gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
+
+    if (iter == 0) {
+        gl.clearColor(color[0] / 255, color[1] / 255, color[2] / 255, color[3] / 255);
+        gl.clear(gl.COLOR_BUFFER_BIT);
+    } else {
+        var data = new Float32Array([color[0] / 255, color[1] / 255, color[2] / 255, color[3] / 255]);
+        gl.clearBufferfv(gl.COLOR, 0, data);
+    }
+
+    var color_ref = wtu.linearToSRGB(color);
+    var tolerance = 3;
+    var msg = "";
+    wtu.checkCanvasRect(gl, 0, 0, size, size, color_ref, msg, tolerance);
+}
+
+gl.bindTexture(gl.TEXTURE_2D, null);
+gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+gl.deleteTexture(tex);
+gl.deleteFramebuffer(fbo);
+
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>