JSFiddle - React, Tailwind, and code Playground
by tnhu
HTML
<!--
To create a <mask>, make things you want to keep white.
The things you want to be invisible make black.
Colours in between will result in translucency.
-->
<svg viewBox="-1 -1 2 2" version="1.1">
<defs>
<mask id="mask">
<circle cx="0" cy="0" r="50%" fill="white" />
<circle cx="0" cy="0" r="36%" fill="black" />
<path d="M 0.5877852522924731 0.8090169943749475 A 1 1 0 0 1 -0.587785252292473 0.8090169943749475 L 0 0" fill="black"></path>
</mask>
</defs>
<path d="M -1.8369701987210297e-16 -1 A 1 1 0 0 1 0.587785252292474 0.8090169943749468 L 0 0" fill="blue" clip-path="url(#mask)" mask="url(#mask)"></path>
<path d="M -0.8090169943749475 -0.587785252292473 A 1 1 0 0 1 -1.8369701987210297e-16 -1 L 0 0" fill="green" clip-path="url(#mask)" mask="url(#mask)"></path>
<path d="M -0.587785252292473 0.8090169943749475 A 1 1 0 0 1 -0.8090169943749475 -0.587785252292473 L 0 0" fill="red" clip-path="url(#mask)" mask="url(#mask)"></path>
</svg>
CSS
body {
background-color: yellow;
}
svg {
width: 100px;
height: 100px;
border: 1px dotted #ddd;
}