/* https://grabient.com/_gFzgPlgHxgDygPwgF6gFjgBogFRgJ0gHOgKS?style=linearSwatches&steps=6&angle=0 */ background: linear-gradient(0deg, #34044a 0.000%, #34044a 16.667%, #4b0070 calc(16.667% + 1px), #4b0070 33.333%, #660098 calc(33.333% + 1px), #660098 50.000%, #8000bc calc(50.000% + 1px), #8000bc 66.667%, #9307d5 calc(66.667% + 1px), #9307d5 83.333%, #9c13df calc(83.333% + 1px) 100.000%);

// https://grabient.com/_gFzgPlgHxgDygPwgF6gFjgBogFRgJ0gHOgKS?style=linearSwatches&steps=6&angle=0 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 6.0; const float ANGLE = 0.0; vec3 palette(float t) { vec3 a = vec3(0.371, 0.997, 0.497); vec3 b = vec3(0.242, 1.008, 0.378); vec3 c = vec3(0.355, 0.104, 0.337); vec3 d = vec3(0.628, 0.462, 0.658); 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 — #34044a to #9c13df