/* https://grabient.com/_gIkgIiepCgH_gHWhmjgE4gLbgBjgJQgGogOa?style=linearSwatches&steps=6&angle=90 */ background: linear-gradient(90deg, #1f2139 0.000%, #1f2139 16.667%, #421f90 calc(16.667% + 1px), #421f90 33.333%, #7172ce calc(33.333% + 1px), #7172ce 50.000%, #a4d9f3 calc(50.000% + 1px), #a4d9f3 66.667%, #d3fffe calc(66.667% + 1px), #d3fffe 83.333%, #f7cff0 calc(83.333% + 1px) 100.000%);

// https://grabient.com/_gIkgIiepCgH_gHWhmjgE4gLbgBjgJQgGogOa?style=linearSwatches&steps=6&angle=90 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 6.0; const float ANGLE = 90.0; vec3 palette(float t) { vec3 a = vec3(0.548, 0.546, -5.566); vec3 b = vec3(0.511, 0.470, 6.563); vec3 c = vec3(0.312, 0.731, 0.099); vec3 d = vec3(0.592, 0.424, 0.922); 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; // CSS angle: 0 = up, clockwise; span = CSS gradient-line length vec2 dir = vec2(sin(radians(ANGLE)), cos(radians(ANGLE))); float len = abs(iResolution.x * dir.x) + abs(iResolution.y * dir.y); float t = dot(p, dir) / len + 0.5; fragColor = vec4(stops(t), 1.0); }

Gradient palette editor — #1f2139 to #f7cff0