试图找出如何使用 CSS 和/或 Canvas 绘制 CIE-1931 图。一些想法
css 中 xyz 颜色空间的主要问题，它似乎在 srgb 处裁剪，即使它应该覆盖甚至难以置信的颜色。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<head>
<style>
.cie-diagram {
position: relative;
width: 300px;
height: 300px;
background: grey
}
.cie-square {
position: relative;
width: 100%;
height: 100%;
mix-blend-mode: color;
background: linear-gradient(to top, color(xyz-d65, 0, 0, 1) 0%, color(xyz-d65, 0, 1, 1) 100%);
}
.cie-square::after {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
mix-blend-mode: color;
background: linear-gradient(to top, color(xyz-d65, 1, 0, 1) 0%, color(xyz-d65, 1, 1, 1) 100%);
-webkit-mask: linear-gradient(to right, transparent 0, white 100%);
mask: linear-gradient(to right, transparent 0, white 50%, transparent 100%);
}
</style>
</head>
</head>
<body>
<div class="cie-diagram">
<div class="cie-square"></div>
</div>
</body>
</html>