/* https://grabient.com/_gEGgAAd1-gMGgAAiangFxgBlgBjgKigAAgPO?style=linearSwatches&steps=6&angle=45 */ background: linear-gradient(45deg, #0000ed 0.000%, #0000ed 16.667%, #4000ff calc(16.667% + 1px), #4000ff 33.333%, #9900ff calc(33.333% + 1px), #9900ff 50.000%, #df00d7 calc(50.000% + 1px), #df00d7 66.667%, #ff0083 calc(66.667% + 1px), #ff0083 83.333%, #ff000a calc(83.333% + 1px) 100.000%);

// https://grabient.com/_gEGgAAd1-gMGgAAiangFxgBlgBjgKigAAgPO?style=linearSwatches&steps=6&angle=45 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 6.0; const float ANGLE = 45.0; vec3 palette(float t) { vec3 a = vec3(0.262, 0.000, -8.834); vec3 b = vec3(0.774, 0.000, 9.895); vec3 c = vec3(0.369, 0.101, 0.099); vec3 d = vec3(0.674, 0.000, 0.974); 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 — #0000ed to #ff000a