/* https://grabient.com/_gHlgHygGqgFtgFxgD5gMIgJJgGqhg5hhXhgkc5xtuNgA?style=linearGradient&steps=7&angle=90 */
background: linear-gradient(90deg, #695959 0.000%, #1d1f3c 16.667%, #000020 33.333%, #000007 50.000%, #170000 66.667%, #621b00 83.333%, #a15500 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gHlgHygGqgFtgFxgD5gMIgJJgGqhg5hhXhgkc5xtuNgA?style=linearGradient&steps=7&angle=90 -->
<defs>
<linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
<stop offset="0.000" stop-color="#695959" /><stop offset="0.167" stop-color="#1d1f3c" /><stop offset="0.333" stop-color="#000020" /><stop offset="0.500" stop-color="#000007" /><stop offset="0.667" stop-color="#170000" /><stop offset="0.833" stop-color="#621b00" /><stop offset="1.000" stop-color="#a15500" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#695959", "#1d1f3c", "#000020", "#000007", "#170000", "#621b00", "#a15500"]
// https://grabient.com/_gHlgHygGqgFtgFxgD5gMIgJJgGqhg5hhXhgkc5xtuNgA?style=linearGradient&steps=7&angle=90
// 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(0.286, 0.299, 0.227);
vec3 b = vec3(0.414, 0.418, 0.282);
vec3 c = vec3(0.705, 0.532, 0.387);
vec3 d = vec3(6.201, 6.231, 6.180);
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);
}
[
[0.286, 0.299, 0.227],
[0.414, 0.418, 0.282],
[0.705, 0.532, 0.387],
[6.201, 6.231, 6.180]
]