/* https://grabient.com/_gP5gIIgGOgRLgI8gGdgFvgOagNzgGXgF6gKS?style=linearGradient&steps=7&angle=315 */
background: linear-gradient(315deg, #1a1c2c 0.000%, #000089 16.667%, #004bca 33.333%, #17d2bb 50.000%, #61ff68 66.667%, #c2dd13 83.333%, #ff5800 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gP5gIIgGOgRLgI8gGdgFvgOagNzgGXgF6gKS?style=linearGradient&steps=7&angle=315 -->
<defs>
<linearGradient id="gradient" x1="0.854" y1="0.854" x2="0.146" y2="0.146">
<stop offset="0.000" stop-color="#1a1c2c" /><stop offset="0.167" stop-color="#000089" /><stop offset="0.333" stop-color="#004bca" /><stop offset="0.500" stop-color="#17d2bb" /><stop offset="0.667" stop-color="#61ff68" /><stop offset="0.833" stop-color="#c2dd13" /><stop offset="1.000" stop-color="#ff5800" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#1a1c2c", "#000089", "#004bca", "#17d2bb", "#61ff68", "#c2dd13", "#ff5800"]
// https://grabient.com/_gP5gIIgGOgRLgI8gGdgFvgOagNzgGXgF6gKS?style=linearGradient&steps=7&angle=315
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 315.0;
vec3 palette(float t) {
vec3 a = vec3(1.017, 0.520, 0.398);
vec3 b = vec3(1.099, 0.572, 0.413);
vec3 c = vec3(0.367, 0.922, 0.883);
vec3 d = vec3(0.407, 0.378, 0.658);
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);
}
[
[1.017, 0.520, 0.398],
[1.099, 0.572, 0.413],
[0.367, 0.922, 0.883],
[0.407, 0.378, 0.658]
]