Gradient palette editor — #9f1ce5 to #b7ae2a

/* https://grabient.com/_gIegGhgIOgGwgH2gH3gesgSpgTsgDcgKFgB1?style=angularSwatches&steps=13&angle=45 */

background: conic-gradient(from 45deg, #9f1ce5 0.000deg, #9f1ce5 27.692deg, #38669d calc(27.692deg + 0.1deg), #38669d 55.385deg, #21b24a calc(55.385deg + 0.1deg), #21b24a 83.077deg, #6fe211 calc(83.077deg + 0.1deg), #6fe211 110.769deg, #d8e609 calc(110.769deg + 0.1deg), #d8e609 138.462deg, #f5bb36 calc(138.462deg + 0.1deg), #f5bb36 166.154deg, #ab7184 calc(166.154deg + 0.1deg), #ab7184 193.846deg, #4125d3 calc(193.846deg + 0.1deg), #4125d3 221.538deg, #1e00ff calc(221.538deg + 0.1deg), #1e00ff 249.231deg, #6400fd calc(249.231deg + 0.1deg), #6400fd 276.923deg, #cf18c6 calc(276.923deg + 0.1deg), #cf18c6 304.615deg, #f76174 calc(304.615deg + 0.1deg), #f76174 332.308deg, #b7ae2a calc(332.308deg + 0.1deg) 360.000deg);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gIegGhgIOgGwgH2gH3gesgSpgTsgDcgKFgB1?style=angularSwatches&steps=13&angle=45 -->
            <defs>
              <clipPath id="squareClip">
                <rect x="0" y="0" width="800" height="400" />
              </clipPath>
              <filter id="antiGap">
                <feGaussianBlur in="SourceGraphic" stdDeviation="0.3" />
              </filter>
            </defs>
            <g clip-path="url(#squareClip)" filter="url(#antiGap)" shape-rendering="crispEdges">
          <path d="
              M 400.000,200.000
              L 716.228,-116.228
              A 447.214,447.214 0 0 1 826.964,66.950
              Z
            " fill="#9f1ce5" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 826.964,66.950
              A 447.214,447.214 0 0 1 839.888,280.616
              Z
            " fill="#38669d" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 839.888,280.616
              A 447.214,447.214 0 0 1 752.039,475.806
              Z
            " fill="#21b24a" fill-opacity="1.000" /><path d="
              M 400.000,200.000
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              Z
            " fill="#6fe211" fill-opacity="1.000" /><path d="
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              Z
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              Z
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              Z
            " fill="#1e00ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L -7.814,16.456
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              Z
            " fill="#6400fd" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 124.194,-152.039
              A 447.214,447.214 0 0 1 319.384,-239.888
              Z
            " fill="#cf18c6" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 319.384,-239.888
              A 447.214,447.214 0 0 1 533.050,-226.964
              Z
            " fill="#f76174" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 533.050,-226.964
              A 447.214,447.214 0 0 1 716.228,-116.228
              Z
            " fill="#b7ae2a" fill-opacity="1.000" /></g>
        </svg>

["#9f1ce5", "#38669d", "#21b24a", "#6fe211", "#d8e609", "#f5bb36", "#ab7184", "#4125d3", "#1e00ff", "#6400fd", "#cf18c6", "#f76174", "#b7ae2a"]

// https://grabient.com/_gIegGhgIOgGwgH2gH3gesgSpgTsgDcgKFgB1?style=angularSwatches&steps=13&angle=45
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 13.0;
const float ANGLE = 45.0;

vec3 palette(float t) {
    vec3 a = vec3(0.542, 0.417, 0.526);
    vec3 b = vec3(0.432, 0.502, 0.503);
    vec3 c = vec3(1.964, 1.193, 1.260);
    vec3 d = vec3(0.220, 0.645, 0.117);
    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;
    // conic from ANGLE, clockwise from top (CSS convention)
    float t = fract((atan(p.x, p.y) - radians(ANGLE)) / 6.283185);
    fragColor = vec4(stops(t), 1.0);
}

[
  [0.542, 0.417, 0.526],
  [0.432, 0.502, 0.503],
  [1.964, 1.193, 1.260],
  [0.220, 0.645, 0.117]
]