/* https://grabient.com/_gd2ge2gKVgbkgd_gGIgBmgBogD9gIJgIAgJ1?style=radialSwatches&steps=6&angle=45 */
background: radial-gradient(circle, #290f64 0.000%, #290f64 16.667%, #34187e calc(16.667% + 1px), #34187e 33.333%, #472a9c calc(33.333% + 1px), #472a9c 50.000%, #6043bc calc(50.000% + 1px), #6043bc 66.667%, #8063d9 calc(66.667% + 1px), #8063d9 83.333%, #a58af2 calc(83.333% + 1px) 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gd2ge2gKVgbkgd_gGIgBmgBogD9gIJgIAgJ1?style=radialSwatches&steps=6&angle=45 -->
<defs>
<clipPath id="ringBounds">
<rect x="0" y="0" width="800" height="400" />
</clipPath>
</defs>
<g clip-path="url(#ringBounds)"><path d="M 325.464,200.000 A 74.536,74.536 0 1 1 474.536,200.000 A 74.536,74.536 0 1 1 325.464,200.000 Z" fill="#290f64" fill-opacity="1.000" /><path d="M 250.929,200.000 A 149.071,149.071 0 1 1 549.071,200.000 A 149.071,149.071 0 1 1 250.929,200.000 Z M 325.464,200.000 A 74.536,74.536 0 1 0 474.536,200.000 A 74.536,74.536 0 1 0 325.464,200.000 Z" fill="#34187e" fill-opacity="1.000" /><path d="M 176.393,200.000 A 223.607,223.607 0 1 1 623.607,200.000 A 223.607,223.607 0 1 1 176.393,200.000 Z M 250.929,200.000 A 149.071,149.071 0 1 0 549.071,200.000 A 149.071,149.071 0 1 0 250.929,200.000 Z" fill="#472a9c" fill-opacity="1.000" /><path d="M 101.858,200.000 A 298.142,298.142 0 1 1 698.142,200.000 A 298.142,298.142 0 1 1 101.858,200.000 Z M 176.393,200.000 A 223.607,223.607 0 1 0 623.607,200.000 A 223.607,223.607 0 1 0 176.393,200.000 Z" fill="#6043bc" fill-opacity="1.000" /><path d="M 27.322,200.000 A 372.678,372.678 0 1 1 772.678,200.000 A 372.678,372.678 0 1 1 27.322,200.000 Z M 101.858,200.000 A 298.142,298.142 0 1 0 698.142,200.000 A 298.142,298.142 0 1 0 101.858,200.000 Z" fill="#8063d9" fill-opacity="1.000" /><path d="M -47.214,200.000 A 447.214,447.214 0 1 1 847.214,200.000 A 447.214,447.214 0 1 1 -47.214,200.000 Z M 27.322,200.000 A 372.678,372.678 0 1 0 772.678,200.000 A 372.678,372.678 0 1 0 27.322,200.000 Z" fill="#a58af2" fill-opacity="1.000" /></g>
</svg>
["#290f64", "#34187e", "#472a9c", "#6043bc", "#8063d9", "#a58af2"]
// https://grabient.com/_gd2ge2gKVgbkgd_gGIgBmgBogD9gIJgIAgJ1?style=radialSwatches&steps=6&angle=45
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 6.0;
vec3 palette(float t) {
vec3 a = vec3(1.910, 1.974, 0.661);
vec3 b = vec3(1.764, 1.919, 0.392);
vec3 c = vec3(0.102, 0.104, 0.253);
vec3 d = vec3(0.521, 0.512, 0.629);
return a + b * cos(6.283185 * (c * t + d));
}
// N hard swatches sampled from the palette
vec3 stops(float t) {
float i = min(floor(clamp(t, 0.0, 1.0) * STEPS), STEPS - 1.0);
return palette(i / (STEPS - 1.0));
}
void mainImage(out vec4 fragColor, in vec2 fragCoord) {
vec2 p = fragCoord - 0.5 * iResolution.xy;
// circle to the farthest corner (CSS default)
float t = length(p) / length(0.5 * iResolution.xy);
fragColor = vec4(stops(t), 1.0);
}
[
[1.910, 1.974, 0.661],
[1.764, 1.919, 0.392],
[0.102, 0.104, 0.253],
[0.521, 0.512, 0.629]
]