/* https://grabient.com/_gKjgNOgJwgKGgMNgJdgBhgBjgBmgJygJZgLH?style=linearSwatches&steps=13&angle=90 */ background: linear-gradient(90deg, #38377a 0.000%, #38377a 7.692%, #3e3e82 calc(7.692% + 1px), #3e3e82 15.385%, #45448a calc(15.385% + 1px), #45448a 23.077%, #4c4c92 calc(23.077% + 1px), #4c4c92 30.769%, #52539a calc(30.769% + 1px), #52539a 38.462%, #5a5ba3 calc(38.462% + 1px), #5a5ba3 46.154%, #6163ab calc(46.154% + 1px), #6163ab 53.846%, #686cb3 calc(53.846% + 1px), #686cb3 61.538%, #7075bb calc(61.538% + 1px), #7075bb 69.231%, #787ec3 calc(69.231% + 1px), #787ec3 76.923%, #8087cb calc(76.923% + 1px), #8087cb 84.615%, #8890d3 calc(84.615% + 1px), #8890d3 92.308%, #909adb calc(92.308% + 1px) 100.000%);

// https://grabient.com/_gKjgNOgJwgKGgMNgJdgBhgBjgBmgJygJZgLH?style=linearSwatches&steps=13&angle=90 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 13.0; const float ANGLE = 90.0; vec3 palette(float t) { vec3 a = vec3(0.675, 0.846, 0.624); vec3 b = vec3(0.646, 0.781, 0.605); vec3 c = vec3(0.097, 0.099, 0.102); vec3 d = vec3(0.626, 0.601, 0.711); 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); }

Monochrome dark slate blue to periwinkle blue gradient palette editor

Monochrome dark slate blue to periwinkle blue