/* https://grabient.com/_gGDgIGgPogJ4gHtgAAgG3gI5gHKgKEgBGgAA?style=linearGradient&steps=6&angle=270 */
background: linear-gradient(270deg, #00f6ff 0.000%, #50b7ff 20.000%, #a75fff 40.000%, #e919ff 60.000%, #ff08ff 80.000%, #ee33ff 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gGDgIGgPogJ4gHtgAAgG3gI5gHKgKEgBGgAA?style=linearGradient&steps=6&angle=270 -->
<defs>
<linearGradient id="gradient" x1="1.000" y1="0.500" x2="0.000" y2="0.500">
<stop offset="0.000" stop-color="#00f6ff" /><stop offset="0.200" stop-color="#50b7ff" /><stop offset="0.400" stop-color="#a75fff" /><stop offset="0.600" stop-color="#e919ff" /><stop offset="0.800" stop-color="#ff08ff" /><stop offset="1.000" stop-color="#ee33ff" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#00f6ff", "#50b7ff", "#a75fff", "#e919ff", "#ff08ff", "#ee33ff"]
// https://grabient.com/_gGDgIGgPogJ4gHtgAAgG3gI5gHKgKEgBGgAA?style=linearGradient&steps=6&angle=270
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 6.0;
const float ANGLE = 270.0;
vec3 palette(float t) {
vec3 a = vec3(0.387, 0.518, 1.000);
vec3 b = vec3(0.632, 0.493, 0.000);
vec3 c = vec3(0.439, 0.569, 0.458);
vec3 d = vec3(0.644, 0.070, 0.000);
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);
}
[
[0.387, 0.518, 1.000],
[0.632, 0.493, 0.000],
[0.439, 0.569, 0.458],
[0.644, 0.070, 0.000]
]