Gradient palette editor — #ff835d to #f57374

/* https://grabient.com/_gLrgKmgH0gGBgEHgHOgTAggMgWdgOtgFmgEq?style=angularSwatches&steps=12&angle=135 */

background: conic-gradient(from 135deg, #ff835d 0.000deg, #ff835d 30.000deg, #ff6d15 calc(30.000deg + 0.1deg), #ff6d15 60.000deg, #f2a612 calc(60.000deg + 0.1deg), #f2a612 90.000deg, #b1e854 calc(90.000deg + 0.1deg), #b1e854 120.000deg, #76e1b2 calc(120.000deg + 0.1deg), #76e1b2 150.000deg, #5c9af0 calc(150.000deg + 0.1deg), #5c9af0 180.000deg, #716ae6 calc(180.000deg + 0.1deg), #716ae6 210.000deg, #a98c9b calc(210.000deg + 0.1deg), #a98c9b 240.000deg, #ebd63e calc(240.000deg + 0.1deg), #ebd63e 270.000deg, #ffed0b calc(270.000deg + 0.1deg), #ffed0b 300.000deg, #ffb522 calc(300.000deg + 0.1deg), #ffb522 330.000deg, #f57374 calc(330.000deg + 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/_gLrgKmgH0gGBgEHgHOgTAggMgWdgOtgFmgEq?style=angularSwatches&steps=12&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 1 515.748,631.976
              Z
            " fill="#ff835d" fill-opacity="1.000" /><path d="
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              L 515.748,631.976
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              Z
            " fill="#ff6d15" fill-opacity="1.000" /><path d="
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              Z
            " fill="#f2a612" fill-opacity="1.000" /><path d="
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              Z
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              Z
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              Z
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              Z
            " fill="#a98c9b" fill-opacity="1.000" /><path d="
              M 400.000,200.000
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              Z
            " fill="#ebd63e" fill-opacity="1.000" /><path d="
              M 400.000,200.000
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              A 447.214,447.214 0 0 1 831.976,84.252
              Z
            " fill="#ffed0b" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 831.976,84.252
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              Z
            " fill="#ffb522" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 831.976,315.748
              A 447.214,447.214 0 0 1 716.228,516.228
              Z
            " fill="#f57374" fill-opacity="1.000" /></g>
        </svg>

["#ff835d", "#ff6d15", "#f2a612", "#b1e854", "#76e1b2", "#5c9af0", "#716ae6", "#a98c9b", "#ebd63e", "#ffed0b", "#ffb522", "#f57374"]

// https://grabient.com/_gLrgKmgH0gGBgEHgHOgTAggMgWdgOtgFmgEq?style=angularSwatches&steps=12&angle=135
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 12.0;
const float ANGLE = 135.0;

vec3 palette(float t) {
    vec3 a = vec3(0.747, 0.678, 0.500);
    vec3 b = vec3(0.385, 0.263, 0.462);
    vec3 c = vec3(1.216, 2.060, 1.437);
    vec3 d = vec3(0.941, 0.358, 0.298);
    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);
}

[
  [0.747, 0.678, 0.500],
  [0.385, 0.263, 0.462],
  [1.216, 2.060, 1.437],
  [0.941, 0.358, 0.298]
]