/* https://grabient.com/_gSwgKTgJUgRugI7gHhgDcgFZgF3gHngHjgHzgJvovofz?style=linearSwatches&steps=10&angle=90 */ background: linear-gradient(90deg, #171b20 0.000%, #171b20 10.000%, #131921 calc(10.000% + 1px), #131921 20.000%, #161f2b calc(20.000% + 1px), #161f2b 30.000%, #202d3c calc(30.000% + 1px), #202d3c 40.000%, #304254 calc(40.000% + 1px), #304254 50.000%, #465e70 calc(50.000% + 1px), #465e70 60.000%, #627d8f calc(60.000% + 1px), #627d8f 70.000%, #83a0af calc(70.000% + 1px), #83a0af 80.000%, #a8c3ce calc(80.000% + 1px), #a8c3ce 90.000%, #d1e4e9 calc(90.000% + 1px) 100.000%);

// https://grabient.com/_gSwgKTgJUgRugI7gHhgDcgFZgF3gHngHjgHzgJvovofz?style=linearSwatches&steps=10&angle=90 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 10.0; const float ANGLE = 90.0; vec3 palette(float t) { vec3 a = vec3(1.209, 0.668, 0.605); vec3 b = vec3(1.134, 0.571, 0.481); vec3 c = vec3(0.220, 0.345, 0.375); vec3 d = vec3(0.474, 0.470, 0.486); 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 — #171b20 to #d1e4e9