Medium gray to desert to ruby gradient palette editor

/* https://grabient.com/_gIDgF0gMIgEogE-f4Of6lf3tgDjf0cgSafuB?style=angularSwatches&steps=13&angle=210 */

background: conic-gradient(from 210deg, #7f827c 0.000deg, #7f827c 27.692deg, #8c9570 calc(27.692deg + 0.1deg), #8c9570 55.385deg, #9aa366 calc(55.385deg + 0.1deg), #9aa366 83.077deg, #a6ad5d calc(83.077deg + 0.1deg), #a6ad5d 110.769deg, #b2b055 calc(110.769deg + 0.1deg), #b2b055 138.462deg, #bcad4f calc(138.462deg + 0.1deg), #bcad4f 166.154deg, #c4a44a calc(166.154deg + 0.1deg), #c4a44a 193.846deg, #ca9648 calc(193.846deg + 0.1deg), #ca9648 221.538deg, #ce8347 calc(221.538deg + 0.1deg), #ce8347 249.231deg, #cf6e48 calc(249.231deg + 0.1deg), #cf6e48 276.923deg, #ce574b calc(276.923deg + 0.1deg), #ce574b 304.615deg, #ca424f calc(304.615deg + 0.1deg), #ca424f 332.308deg, #c42e55 calc(332.308deg + 0.1deg) 360.000deg);

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            <!-- https://grabient.com/_gIDgF0gMIgEogE-f4Of6lf3tgDjf0cgSafuB?style=angularSwatches&steps=13&angle=210 -->
            <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">
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        </svg>

["#7f827c", "#8c9570", "#9aa366", "#a6ad5d", "#b2b055", "#bcad4f", "#c4a44a", "#ca9648", "#ce8347", "#cf6e48", "#ce574b", "#ca424f", "#c42e55"]

// https://grabient.com/_gIDgF0gMIgEogE-f4Of6lf3tgDjf0cgSafuB?style=angularSwatches&steps=13&angle=210
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 13.0;
const float ANGLE = 210.0;

vec3 palette(float t) {
    vec3 a = vec3(0.515, 0.372, 0.776);
    vec3 b = vec3(0.296, 0.318, -0.498);
    vec3 c = vec3(-0.347, -0.531, 0.227);
    vec3 d = vec3(-0.740, 1.178, -1.151);
    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);
}

[
  [0.515, 0.372, 0.776],
  [0.296, 0.318, -0.498],
  [-0.347, -0.531, 0.227],
  [-0.740, 1.178, -1.151]
]