/* https://grabient.com/_gTCgtggHXgQpgt7gEFgDHgBjgNzgIOgHDgJW?style=linearSwatches&steps=6&angle=90 */ background: linear-gradient(90deg, #2b1c42 0.000%, #2b1c42 16.667%, #3e0682 calc(16.667% + 1px), #3e0682 33.333%, #6100b8 calc(33.333% + 1px), #6100b8 50.000%, #9100a6 calc(50.000% + 1px), #9100a6 66.667%, #cb0762 calc(66.667% + 1px), #cb0762 83.333%, #ff1e36 calc(83.333% + 1px) 100.000%);

// https://grabient.com/_gTCgtggHXgQpgt7gEFgDHgBjgNzgIOgHDgJW?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(1.218, 2.912, 0.471); vec3 b = vec3(1.065, 2.939, 0.261); vec3 c = vec3(0.199, 0.099, 0.883); vec3 d = vec3(0.526, 0.451, 0.598); 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); }

Dark indigo to barney purple to neon red gradient palette editor

Dark indigo to barney purple to neon red