/* https://grabient.com/_gEzgFIgIugCGgEFgFkgHugFngFLg3ug2tg2K?style=linearSwatches&steps=13&angle=90 */ background: linear-gradient(90deg, #2f1136 0.000%, #2f1136 7.692%, #341234 calc(7.692% + 1px), #341234 15.385%, #3a1634 calc(15.385% + 1px), #3a1634 23.077%, #421c38 calc(23.077% + 1px), #421c38 30.769%, #4a233e calc(30.769% + 1px), #4a233e 38.462%, #532d46 calc(38.462% + 1px), #532d46 46.154%, #5b3751 calc(46.154% + 1px), #5b3751 53.846%, #63435d calc(53.846% + 1px), #63435d 61.538%, #69506b calc(61.538% + 1px), #69506b 69.231%, #6e5c7a calc(69.231% + 1px), #6e5c7a 76.923%, #70688a calc(76.923% + 1px), #70688a 84.615%, #707499 calc(84.615% + 1px), #707499 92.308%, #6e7ea9 calc(92.308% + 1px) 100.000%);

// https://grabient.com/_gEzgFIgIugCGgEFgFkgHugFngFLg3ug2tg2K?style=linearSwatches&steps=13&angle=90 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 13.0; const float ANGLE = 90.0; vec3 palette(float t) { vec3 a = vec3(0.307, 0.328, 0.558); vec3 b = vec3(0.134, 0.261, 0.356); vec3 c = vec3(0.494, 0.359, 0.331); vec3 d = vec3(3.566, 3.501, 3.466); 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 — #2f1136 to #6e7ea9