/* https://grabient.com/_gFkgBegH4gM-gC1gXHgBogCPgBjgKhgDAgLV?style=linearSwatches&steps=5&angle=0 */ background: linear-gradient(0deg, #002846 0.000%, #002846 20.000%, #181e80 calc(20.000% + 1px), #181e80 40.000%, #3a14ba calc(40.000% + 1px), #3a14ba 60.000%, #5c0af3 calc(60.000% + 1px), #5c0af3 80.000%, #7f00ff calc(80.000% + 1px) 100.000%);

// https://grabient.com/_gFkgBegH4gM-gC1gXHgBogCPgBjgKhgDAgLV?style=linearSwatches&steps=5&angle=0 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 5.0; const float ANGLE = 0.0; vec3 palette(float t) { vec3 a = vec3(0.356, 0.094, 0.504); vec3 b = vec3(0.830, 0.181, 1.479); vec3 c = vec3(0.104, 0.143, 0.099); vec3 d = vec3(0.673, 0.192, 0.725); 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 — #002846 to #7f00ff