/* https://grabient.com/_gHQgGAbEhgJPgHKlMKgLqgalgBlgFOgENgOS */
background: linear-gradient(90deg, #2a5400 0.000%, #000000 16.667%, #009e00 33.333%, #4eb78a 50.000%, #c002eb 66.667%, #ff35ff 83.333%, #fad5f8 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gHQgGAbEhgJPgHKlMKgLqgalgBlgFOgENgOS -->
<defs>
<linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
<stop offset="0.000" stop-color="#2a5400" /><stop offset="0.167" stop-color="#000000" /><stop offset="0.333" stop-color="#009e00" /><stop offset="0.500" stop-color="#4eb78a" /><stop offset="0.667" stop-color="#c002eb" /><stop offset="0.833" stop-color="#ff35ff" /><stop offset="1.000" stop-color="#fad5f8" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#2a5400", "#000000", "#009e00", "#4eb78a", "#c002eb", "#ff35ff", "#fad5f8"]
// https://grabient.com/_gHQgGAbEhgJPgHKlMKgLqgalgBlgFOgENgOS
// 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(0.464, 0.384, -20.191);
vec3 b = vec3(0.591, 0.458, 21.258);
vec3 c = vec3(0.746, 1.701, 0.101);
vec3 d = vec3(0.334, 0.269, 0.914);
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);
}
[
[0.464, 0.384, -20.191],
[0.591, 0.458, 21.258],
[0.746, 1.701, 0.101],
[0.334, 0.269, 0.914]
]