Monochrome light urple gradient palette editor

/* https://grabient.com/_gOqgLigWDgBxgBSgBUgOwgQmgRIgDKgMRgQRbpvovogA?style=angularSwatches&steps=13&angle=135 */

background: conic-gradient(from 135deg, #b17aff 0.000deg, #b17aff 27.692deg, #a384ff calc(27.692deg + 0.1deg), #a384ff 55.385deg, #9689ff calc(55.385deg + 0.1deg), #9689ff 83.077deg, #8d89ff calc(83.077deg + 0.1deg), #8d89ff 110.769deg, #8b82ff calc(110.769deg + 0.1deg), #8b82ff 138.462deg, #9078ff calc(138.462deg + 0.1deg), #9078ff 166.154deg, #9b6dff calc(166.154deg + 0.1deg), #9b6dff 193.846deg, #a964ff calc(193.846deg + 0.1deg), #a964ff 221.538deg, #b660ff calc(221.538deg + 0.1deg), #b660ff 249.231deg, #c063ff calc(249.231deg + 0.1deg), #c063ff 276.923deg, #c56bff calc(276.923deg + 0.1deg), #c56bff 304.615deg, #c276ff calc(304.615deg + 0.1deg), #c276ff 332.308deg, #ba81ff 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/_gOqgLigWDgBxgBSgBUgOwgQmgRIgDKgMRgQRbpvovogA?style=angularSwatches&steps=13&angle=135 -->
            <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 716.228,516.228
              A 447.214,447.214 0 0 1 533.050,626.964
              Z
            " fill="#b17aff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 533.050,626.964
              A 447.214,447.214 0 0 1 319.384,639.888
              Z
            " fill="#a384ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 319.384,639.888
              A 447.214,447.214 0 0 1 124.194,552.039
              Z
            " fill="#9689ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 124.194,552.039
              A 447.214,447.214 0 0 1 -7.814,383.544
              Z
            " fill="#8d89ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L -7.814,383.544
              A 447.214,447.214 0 0 1 -46.398,172.994
              Z
            " fill="#8b82ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L -46.398,172.994
              A 447.214,447.214 0 0 1 17.283,-31.362
              Z
            " fill="#9078ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 17.283,-31.362
              A 447.214,447.214 0 0 1 168.638,-182.717
              Z
            " fill="#9b6dff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 168.638,-182.717
              A 447.214,447.214 0 0 1 372.994,-246.398
              Z
            " fill="#a964ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 372.994,-246.398
              A 447.214,447.214 0 0 1 583.544,-207.814
              Z
            " fill="#b660ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 583.544,-207.814
              A 447.214,447.214 0 0 1 752.039,-75.806
              Z
            " fill="#c063ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 752.039,-75.806
              A 447.214,447.214 0 0 1 839.888,119.384
              Z
            " fill="#c56bff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 839.888,119.384
              A 447.214,447.214 0 0 1 826.964,333.050
              Z
            " fill="#c276ff" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 826.964,333.050
              A 447.214,447.214 0 0 1 716.228,516.228
              Z
            " fill="#ba81ff" fill-opacity="1.000" /></g>
        </svg>

["#b17aff", "#a384ff", "#9689ff", "#8d89ff", "#8b82ff", "#9078ff", "#9b6dff", "#a964ff", "#b660ff", "#c063ff", "#c56bff", "#c276ff", "#ba81ff"]

// https://grabient.com/_gOqgLigWDgBxgBSgBUgOwgQmgRIgDKgMRgQRbpvovogA?style=angularSwatches&steps=13&angle=135
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 13.0;
const float ANGLE = 135.0;

vec3 palette(float t) {
    vec3 a = vec3(0.659, 0.459, 1.132);
    vec3 b = vec3(0.113, 0.082, 0.084);
    vec3 c = vec3(0.944, 1.062, 1.096);
    vec3 d = vec3(0.202, 0.785, 1.041);
    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);
}

[
  [0.659, 0.459, 1.132],
  [0.113, 0.082, 0.084],
  [0.944, 1.062, 1.096],
  [0.202, 0.785, 1.041]
]