/* https://grabient.com/_gDJgEFgDXf7QgGjgKggFbgDsgEYhBdgAAggueBruvahl?style=linearSwatches&steps=13&angle=90 */ background: linear-gradient(90deg, #216342 0.000%, #216342 7.692%, #2b5c30 calc(7.692% + 1px), #2b5c30 15.385%, #34551e calc(15.385% + 1px), #34551e 23.077%, #3c4d0b calc(23.077% + 1px), #3c4d0b 30.769%, #434500 calc(30.769% + 1px), #434500 38.462%, #483c00 calc(38.462% + 1px), #483c00 46.154%, #4b3200 calc(46.154% + 1px), #4b3200 53.846%, #4d2900 calc(53.846% + 1px), #4d2900 61.538%, #4d1f00 calc(61.538% + 1px), #4d1f00 69.231%, #4b1500 calc(69.231% + 1px), #4b1500 76.923%, #470c00 calc(76.923% + 1px), #470c00 84.615%, #410300 calc(84.615% + 1px), #410300 92.308%, #3a0000 calc(92.308% + 1px) 100.000%);

// https://grabient.com/_gDJgEFgDXf7QgGjgKggFbgDsgEYhBdgAAggueBruvahl?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(0.074, 0.134, 0.088); vec3 b = vec3(-0.228, 0.314, 0.504); vec3 c = vec3(0.342, 0.233, 0.276); vec3 d = vec3(4.290, 0.101, 2.195); 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 — #216342 to #3a0000