/* https://grabient.com/_gIogIOgF6gHSgI7gIhgOggRFgPzgCDgFkgK0?style=linearGradient&steps=9&angle=180 */ background: linear-gradient(180deg, #de2c2f 0.000%, #8f009a 12.500%, #3f22e3 25.000%, #1795de 37.500%, #2afd8d 50.000%, #70ff22 62.500%, #c4c800 75.000%, #fc4f00 87.500%, #fc0038 100.000%);

// https://grabient.com/_gIogIOgF6gHSgI7gIhgOggRFgPzgCDgFkgK0?style=linearGradient&steps=9&angle=180 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 9.0; const float ANGLE = 180.0; vec3 palette(float t) { vec3 a = vec3(0.552, 0.526, 0.378); vec3 b = vec3(0.466, 0.571, 0.545); vec3 c = vec3(0.928, 1.093, 1.011); vec3 d = vec3(0.131, 0.356, 0.692); return a + b * cos(6.283185 * (c * t + d)); } // N stops sampled from the palette, blended like the CSS gradient vec3 stops(float t) { float n = STEPS - 1.0; float x = clamp(t, 0.0, 1.0) * n; return mix(palette(floor(x) / n), palette(min(floor(x) + 1.0, n) / n), fract(x)); } 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 — #de2c2f to #fc0038