 }
    .test { background-color: red; width: 12em; height: 6em; margin-top: 0; }
    .ref { background-color: rgb(100% 100% 100%); width: 12em; height: 6em; margin-bottom: 0; } /* color(display-p3 1 1 1) converted to sRGB */
    .test { background-color: color(display-p3 1 1 1); }
</style>
<body>
    <p>Test passes if you see a white square, and no red.</p>
    <div class="ref"></div>
    <div class="test"></div>
</body>
