Gradient palette editor — #024e37 to #fe2413

/* https://grabient.com/_gEFhLsgFzgLihMGgFRgEpgBlgLtgK2gG5gKh?style=linearGradient&steps=6&angle=270 */

background: linear-gradient(270deg, #024e37 0.000%, #471e85 20.000%, #8b02b3 40.000%, #c5009c 60.000%, #ee0553 80.000%, #fe2413 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gEFhLsgFzgLihMGgFRgEpgBlgLtgK2gG5gKh?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="#024e37" /><stop offset="0.200" stop-color="#471e85" /><stop offset="0.400" stop-color="#8b02b3" /><stop offset="0.600" stop-color="#c5009c" /><stop offset="0.800" stop-color="#ee0553" /><stop offset="1.000" stop-color="#fe2413" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#024e37", "#471e85", "#8b02b3", "#c5009c", "#ee0553", "#fe2413"]

// https://grabient.com/_gEFhLsgFzgLihMGgFRgEpgBlgLtgK2gG5gKh?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(0.261, 4.844, 0.371);
    vec3 b = vec3(0.738, 4.870, 0.337);
    vec3 c = vec3(0.297, 0.101, 0.749);
    vec3 d = vec3(0.694, 0.441, 0.673);
    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);
}

[
  [0.261, 4.844, 0.371],
  [0.738, 4.870, 0.337],
  [0.297, 0.101, 0.749],
  [0.694, 0.441, 0.673]
]