css/css-color/tagged-images-004.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: Color Space of Tagged Images. CSS background property</title>
<link rel="author" title="Chris Lilley" href="mailto:chris@w3.org">
<link rel="help" href="https://drafts.csswg.org/css-color-4/#tagged-images">
<link rel="help" href="https://w3c.github.io/PNG-spec/#11iCCP">
<link rel="help" href="https://w3c.github.io/PNG-spec/#11sRGB">
<meta name="assert" content="Image formats may also use other, equivalent methods, often for brevity.
For example, PNG specifies a means (the sRGB chunk) ">
<link rel="match" href="./greensquare-090-ref.html">
<style>
    div { width: 12em; height: 6em; margin-top: 0; margin-bottom: 0}
    .test { background-color: red; }

    /* solid color #990000 PNG image, iCCP with v2 ICC swapped red-green sRGB profile */
    .ref { background: url(./support/swap-990000-iCCP.png); }

    /* solid color #009900 PNG image, sRGB chunk */
    .test { background: url(./support/009900-sRGB.png); }
</style>
<body>
    <p>Test passes if you see a green square, and no red.</p>
    <div class="ref"></div>
    <div class="test"></div>

</body>