/* https://grabient.com/_gJ-gKOgOBgRLgIggNMgBogEsgBggK2gHzgHV?style=linearGradient&steps=6&angle=270 */
background: linear-gradient(270deg, #421c12 0.000%, #65250e 20.000%, #89410e 40.000%, #ae6b11 60.000%, #d29d16 80.000%, #f6d11f 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gJ-gKOgOBgRLgIggNMgBogEsgBggK2gHzgHV?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="#421c12" /><stop offset="0.200" stop-color="#65250e" /><stop offset="0.400" stop-color="#89410e" /><stop offset="0.600" stop-color="#ae6b11" /><stop offset="0.800" stop-color="#d29d16" /><stop offset="1.000" stop-color="#f6d11f" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#421c12", "#65250e", "#89410e", "#ae6b11", "#d29d16", "#f6d11f"]
// https://grabient.com/_gJ-gKOgOBgRLgIggNMgBogEsgBggK2gHzgHV?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(0.638, 0.654, 0.897);
vec3 b = vec3(1.099, 0.544, 0.844);
vec3 c = vec3(0.104, 0.300, 0.096);
vec3 d = vec3(0.694, 0.499, 0.469);
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);
}
[
[0.638, 0.654, 0.897],
[1.099, 0.544, 0.844],
[0.104, 0.300, 0.096],
[0.694, 0.499, 0.469]
]