/* https://grabient.com/_gG2gHQgtjgJLgH5guBgF1gH4gBjgOigBpgHK?style=linearGradient&steps=6&angle=180 */
background: linear-gradient(180deg, #f7dc12 0.000%, #ff9a00 20.000%, #f34900 40.000%, #c50b00 60.000%, #84000d 80.000%, #3f1328 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gG2gHQgtjgJLgH5guBgF1gH4gBjgOigBpgHK?style=linearGradient&steps=6&angle=180 -->
<defs>
<linearGradient id="gradient" x1="0.500" y1="0.000" x2="0.500" y2="1.000">
<stop offset="0.000" stop-color="#f7dc12" /><stop offset="0.200" stop-color="#ff9a00" /><stop offset="0.400" stop-color="#f34900" /><stop offset="0.600" stop-color="#c50b00" /><stop offset="0.800" stop-color="#84000d" /><stop offset="1.000" stop-color="#3f1328" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#f7dc12", "#ff9a00", "#f34900", "#c50b00", "#84000d", "#3f1328"]
// https://grabient.com/_gG2gHQgtjgJLgH5guBgF1gH4gBjgOigBpgHK?style=linearGradient&steps=6&angle=180
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 6.0;
const float ANGLE = 180.0;
vec3 palette(float t) {
vec3 a = vec3(0.438, 0.464, 2.915);
vec3 b = vec3(0.587, 0.505, 2.945);
vec3 c = vec3(0.373, 0.504, 0.099);
vec3 d = vec3(0.930, 0.105, 0.458);
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);
}
[
[0.438, 0.464, 2.915],
[0.587, 0.505, 2.945],
[0.373, 0.504, 0.099],
[0.930, 0.105, 0.458]
]