/* https://grabient.com/_gengISgITgb2gHOgHJgCbgFogExgFdgBDgAC?style=radialGradient&steps=13&angle=45 */ background: radial-gradient(circle at 50% 50%, #ebf3fc 0.000%, #cee8fa 8.333%, #b3d9f6 16.667%, #9ac8ee 25.000%, #83b5e4 33.333%, #6e9fd8 41.667%, #5d89c9 50.000%, #4e73b9 58.333%, #415ea8 66.667%, #384a95 75.000%, #313883 83.333%, #2e2970 91.667%, #2d1e5f 100.000%);

// https://grabient.com/_gengISgITgb2gHOgHJgCbgFogExgFdgBDgAC?style=radialGradient&steps=13&angle=45 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 13.0; vec3 palette(float t) { vec3 a = vec3(1.959, 0.530, 0.531); vec3 b = vec3(1.782, 0.462, 0.457); vec3 c = vec3(0.155, 0.360, 0.305); vec3 d = vec3(0.349, 0.067, 0.002); return a + b * cos(6.283185 * (c * t + d)); } // N stops sampled from the palette, blended like the CSS gradient vec3 stops(float t) { float n = STEPS - 1.0; float x = clamp(t, 0.0, 1.0) * n; return mix(palette(floor(x) / n), palette(min(floor(x) + 1.0, n) / n), fract(x)); } 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); }

Gradient palette editor — #ebf3fc to #2d1e5f