Gradient palette editor — #c45643 to #edbf31

/* https://grabient.com/_gLlgJpgIZgFZgEugFugZGgbNgckgDtgG0gJo?style=angularSwatches&steps=12&angle=135 */

background: conic-gradient(from 135deg, #c45643 0.000deg, #c45643 30.000deg, #7c5d9c calc(30.000deg + 0.1deg), #7c5d9c 60.000deg, #669fe1 calc(60.000deg + 0.1deg), #669fe1 90.000deg, #95dfcf calc(90.000deg + 0.1deg), #95dfcf 120.000deg, #e3e377 calc(120.000deg + 0.1deg), #e3e377 150.000deg, #ffa831 calc(150.000deg + 0.1deg), #ffa831 180.000deg, #ff6342 calc(180.000deg + 0.1deg), #ff6342 210.000deg, #b8539a calc(210.000deg + 0.1deg), #b8539a 240.000deg, #7487e1 calc(240.000deg + 0.1deg), #7487e1 270.000deg, #69cfd0 calc(270.000deg + 0.1deg), #69cfd0 300.000deg, #a0ea79 calc(300.000deg + 0.1deg), #a0ea79 330.000deg, #edbf31 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/_gLlgJpgIZgFZgEugFugZGgbNgckgDtgG0gJo?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="#c45643" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 515.748,631.976
              A 447.214,447.214 0 0 1 284.252,631.976
              Z
            " fill="#7c5d9c" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 284.252,631.976
              A 447.214,447.214 0 0 1 83.772,516.228
              Z
            " fill="#669fe1" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 83.772,516.228
              A 447.214,447.214 0 0 1 -31.976,315.748
              Z
            " fill="#95dfcf" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L -31.976,315.748
              A 447.214,447.214 0 0 1 -31.976,84.252
              Z
            " fill="#e3e377" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L -31.976,84.252
              A 447.214,447.214 0 0 1 83.772,-116.228
              Z
            " fill="#ffa831" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 83.772,-116.228
              A 447.214,447.214 0 0 1 284.252,-231.976
              Z
            " fill="#ff6342" fill-opacity="1.000" /><path d="
              M 400.000,200.000
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              A 447.214,447.214 0 0 1 515.748,-231.976
              Z
            " fill="#b8539a" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 515.748,-231.976
              A 447.214,447.214 0 0 1 716.228,-116.228
              Z
            " fill="#7487e1" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 716.228,-116.228
              A 447.214,447.214 0 0 1 831.976,84.252
              Z
            " fill="#69cfd0" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 831.976,84.252
              A 447.214,447.214 0 0 1 831.976,315.748
              Z
            " fill="#a0ea79" 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="#edbf31" fill-opacity="1.000" /></g>
        </svg>

["#c45643", "#7c5d9c", "#669fe1", "#95dfcf", "#e3e377", "#ffa831", "#ff6342", "#b8539a", "#7487e1", "#69cfd0", "#a0ea79", "#edbf31"]

// https://grabient.com/_gLlgJpgIZgFZgEugFugZGgbNgckgDtgG0gJo?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(0.741, 0.617, 0.537);
    vec3 b = vec3(0.345, 0.302, 0.366);
    vec3 c = vec3(1.606, 1.741, 1.828);
    vec3 d = vec3(0.237, 0.436, 0.616);
    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);
}

[
  [0.741, 0.617, 0.537],
  [0.345, 0.302, 0.366],
  [1.606, 1.741, 1.828],
  [0.237, 0.436, 0.616]
]