/* https://grabient.com/_gHxgEWgH-gOXgGjgHPgBngCFgDxgKtgKygKv?style=linearSwatches&steps=6&angle=90 */ background: linear-gradient(90deg, #222055 0.000%, #222055 16.667%, #3e3177 calc(16.667% + 1px), #3e3177 33.333%, #5c429b calc(33.333% + 1px), #5c429b 50.000%, #7a54bc calc(50.000% + 1px), #7a54bc 66.667%, #9866d8 calc(66.667% + 1px), #9866d8 83.333%, #b676ec calc(83.333% + 1px) 100.000%);

// https://grabient.com/_gHxgEWgH-gOXgGjgHPgBngCFgDxgKtgKygKv?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(0.497, 0.278, 0.510); vec3 b = vec3(0.919, 0.419, 0.463); vec3 c = vec3(0.103, 0.133, 0.241); vec3 d = vec3(0.685, 0.690, 0.687); 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 — #222055 to #b676ec