/* https://grabient.com/_f50gXvgIzgSygS_gDwgBigBigGogM1gHngIZ?style=linearSwatches&steps=6&angle=90 */ background: linear-gradient(90deg, #1f4f54 0.000%, #1f4f54 16.667%, #404e63 calc(16.667% + 1px), #404e63 33.333%, #5f527f calc(33.333% + 1px), #5f527f 50.000%, #7a5a9f calc(50.000% + 1px), #7a5a9f 66.667%, #9267bb calc(66.667% + 1px), #9267bb 83.333%, #a779cb calc(83.333% + 1px) 100.000%);

// https://grabient.com/_f50gXvgIzgSygS_gDwgBigBigGogM1gHngIZ?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(-0.396, 1.519, 0.563); vec3 b = vec3(1.202, 1.215, 0.240); vec3 c = vec3(0.098, 0.098, 0.424); vec3 d = vec3(0.821, 0.487, 0.537); 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 — #1f4f54 to #a779cb