/* https://grabient.com/_gJOgHUgHfgIRgIHgIYgLmgKlgMXf-BgKwgIVcr5Wxzqi?style=linearGradient&steps=7&angle=90 */ background: linear-gradient(90deg, #00007f 0.000%, #0d0000 16.667%, #c80000 33.333%, #ff3e00 50.000%, #ffda92 66.667%, #5effff 83.333%, #00d1f0 100.000%);

// https://grabient.com/_gJOgHUgHfgIRgIHgIYgLmgKlgMXf-BgKwgIVcr5Wxzqi?style=linearGradient&steps=7&angle=90 // cosine gradient palette — https://iquilezles.org/articles/palettes/ const float STEPS = 7.0; const float ANGLE = 90.0; vec3 palette(float t) { vec3 a = vec3(0.377, 0.255, 0.266); vec3 b = vec3(0.858, 0.842, 0.869); vec3 c = vec3(0.845, 0.771, 0.901); vec3 d = vec3(0.547, 1.362, 1.207); 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); }

Navy to scarlet to aqua blue gradient palette editor

Navy to scarlet to aqua blue