/* https://grabient.com/_gEFgDXgDJgJSgKggKsgDsgEYgFbgAAgguhBdkfzRwCYg?style=linearSwatches&steps=13&angle=90 */
background: linear-gradient(90deg, #000046 0.000%, #000046 7.692%, #00006d calc(7.692% + 1px), #00006d 15.385%, #001195 calc(15.385% + 1px), #001195 23.077%, #002dbc calc(23.077% + 1px), #002dbc 30.769%, #004be1 calc(30.769% + 1px), #004be1 38.462%, #046aff calc(38.462% + 1px), #046aff 46.154%, #168aff calc(46.154% + 1px), #168aff 53.846%, #29aaff calc(53.846% + 1px), #29aaff 61.538%, #3ec8ff calc(61.538% + 1px), #3ec8ff 69.231%, #54e5ff calc(69.231% + 1px), #54e5ff 76.923%, #6bffff calc(76.923% + 1px), #6bffff 84.615%, #82ffff calc(84.615% + 1px), #82ffff 92.308%, #9affff 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/_gEFgDXgDJgJSgKggKsgDsgEYgFbgAAgguhBdkfzRwCYg?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="#000046" 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="#00006d" 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="#001195" 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="#002dbc" 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="#004be1" 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="#046aff" 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="#168aff" 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="#29aaff" 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="#3ec8ff" 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="#54e5ff" 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="#6bffff" 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="#82ffff" 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="#9affff" fill-opacity="1.000" /></g>
</svg>
["#000046", "#00006d", "#001195", "#002dbc", "#004be1", "#046aff", "#168aff", "#29aaff", "#3ec8ff", "#54e5ff", "#6bffff", "#82ffff", "#9affff"]
// https://grabient.com/_gEFgDXgDJgJSgKggKsgDsgEYgFbgAAgguhBdkfzRwCYg?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(0.548, 0.502, 0.488);
vec3 b = vec3(0.732, 0.829, 0.843);
vec3 c = vec3(0.242, 0.287, 0.356);
vec3 d = vec3(-0.480, 1.614, 3.709);
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);
}
[
[0.548, 0.502, 0.488],
[0.732, 0.829, 0.843],
[0.242, 0.287, 0.356],
[-0.480, 1.614, 3.709]
]