/* https://grabient.com/_gW5g2VfvfgVJg1MgglgBhgBggBjgJCgH6gNw?style=linearSwatches&steps=13&angle=90 */
background: linear-gradient(90deg, #451376 0.000%, #451376 7.692%, #4e1688 calc(7.692% + 1px), #4e1688 15.385%, #571b9a calc(15.385% + 1px), #571b9a 23.077%, #6122aa calc(23.077% + 1px), #6122aa 30.769%, #6c2bb9 calc(30.769% + 1px), #6c2bb9 38.462%, #7837c6 calc(38.462% + 1px), #7837c6 46.154%, #8444d3 calc(46.154% + 1px), #8444d3 53.846%, #9154de calc(53.846% + 1px), #9154de 61.538%, #9e65e8 calc(61.538% + 1px), #9e65e8 69.231%, #ac79f0 calc(69.231% + 1px), #ac79f0 76.923%, #bb8ef7 calc(76.923% + 1px), #bb8ef7 84.615%, #caa6fd calc(84.615% + 1px), #caa6fd 92.308%, #d9bfff calc(92.308% + 1px) 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gW5g2VfvfgVJg1MgglgBhgBggBjgJCgH6gNw?style=linearSwatches&steps=13&angle=90 -->
<defs>
<clipPath id="bounds">
<rect x="0" y="0" width="800" height="400" />
</clipPath>
</defs>
<g clip-path="url(#bounds)"><path d="M 0.000,647.214 L 0.000,-247.214 L 61.538,-247.214 L 61.538,647.214 Z" fill="#451376" fill-opacity="1.000" /><path d="M 61.538,647.214 L 61.538,-247.214 L 123.077,-247.214 L 123.077,647.214 Z" fill="#4e1688" fill-opacity="1.000" /><path d="M 123.077,647.214 L 123.077,-247.214 L 184.615,-247.214 L 184.615,647.214 Z" fill="#571b9a" fill-opacity="1.000" /><path d="M 184.615,647.214 L 184.615,-247.214 L 246.154,-247.214 L 246.154,647.214 Z" fill="#6122aa" fill-opacity="1.000" /><path d="M 246.154,647.214 L 246.154,-247.214 L 307.692,-247.214 L 307.692,647.214 Z" fill="#6c2bb9" fill-opacity="1.000" /><path d="M 307.692,647.214 L 307.692,-247.214 L 369.231,-247.214 L 369.231,647.214 Z" fill="#7837c6" fill-opacity="1.000" /><path d="M 369.231,647.214 L 369.231,-247.214 L 430.769,-247.214 L 430.769,647.214 Z" fill="#8444d3" fill-opacity="1.000" /><path d="M 430.769,647.214 L 430.769,-247.214 L 492.308,-247.214 L 492.308,647.214 Z" fill="#9154de" fill-opacity="1.000" /><path d="M 492.308,647.214 L 492.308,-247.214 L 553.846,-247.214 L 553.846,647.214 Z" fill="#9e65e8" fill-opacity="1.000" /><path d="M 553.846,647.214 L 553.846,-247.214 L 615.385,-247.214 L 615.385,647.214 Z" fill="#ac79f0" fill-opacity="1.000" /><path d="M 615.385,647.214 L 615.385,-247.214 L 676.923,-247.214 L 676.923,647.214 Z" fill="#bb8ef7" fill-opacity="1.000" /><path d="M 676.923,647.214 L 676.923,-247.214 L 738.462,-247.214 L 738.462,647.214 Z" fill="#caa6fd" fill-opacity="1.000" /><path d="M 738.462,647.214 L 738.462,-247.214 L 800.000,-247.214 L 800.000,647.214 Z" fill="#d9bfff" fill-opacity="1.000" /></g>
</svg>
["#451376", "#4e1688", "#571b9a", "#6122aa", "#6c2bb9", "#7837c6", "#8444d3", "#9154de", "#9e65e8", "#ac79f0", "#bb8ef7", "#caa6fd", "#d9bfff"]
// https://grabient.com/_gW5g2VfvfgVJg1MgglgBhgBggBjgJCgH6gNw?style=linearSwatches&steps=13&angle=90
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 13.0;
const float ANGLE = 90.0;
vec3 palette(float t) {
vec3 a = vec3(1.465, 3.477, -1.057);
vec3 b = vec3(1.353, 3.404, 2.085);
vec3 c = vec3(0.097, 0.096, 0.099);
vec3 d = vec3(0.578, 0.506, 0.880);
return a + b * cos(6.283185 * (c * t + d));
}
// N hard swatches sampled from the palette
vec3 stops(float t) {
float i = min(floor(clamp(t, 0.0, 1.0) * STEPS), STEPS - 1.0);
return palette(i / (STEPS - 1.0));
}
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);
}
[
[1.465, 3.477, -1.057],
[1.353, 3.404, 2.085],
[0.097, 0.096, 0.099],
[0.578, 0.506, 0.880]
]