/* https://grabient.com/_gIYgHzgGBgJygIQgIdgIpgQTgNVgF1gGqgNS?style=linearSwatches&steps=8&angle=0 */ background: linear-gradient(0deg, #1907b3 0.000%, #1907b3 12.500%, #0007ea calc(12.500% + 1px), #0007ea 25.000%, #0069d5 calc(25.000% + 1px), #0069d5 37.500%, #0edd80 calc(37.500% + 1px), #0edd80 50.000%, #4dff1a calc(50.000% + 1px), #4dff1a 62.500%, #9bbf00 calc(62.500% + 1px), #9bbf00 75.000%, #e44600 calc(75.000% + 1px), #e44600 87.500%, #ff003a calc(87.500% + 1px) 100.000%);

// https://grabient.com/_gIYgHzgGBgJygIQgIdgIpgQTgNVgF1gGqgNS?style=linearSwatches&steps=8&angle=0 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 8.0; const float ANGLE = 0.0; vec3 palette(float t) { vec3 a = vec3(0.536, 0.499, 0.385); vec3 b = vec3(0.626, 0.528, 0.541); vec3 c = vec3(0.553, 1.043, 0.853); vec3 d = vec3(0.373, 0.426, 0.850); 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 — #1907b3 to #ff003a