Autumn monochrome earth to chestnut gradient palette editor

/* https://grabient.com/_gLRgHJgETgEfgDwgEAgMRgNFgN8gLMgLOgLZ?style=linearGradient&steps=7&angle=225 */

background: linear-gradient(225deg, #a8683e 0.000%, #e29b75 16.667%, #ffb287 33.333%, #f19d64 50.000%, #bd6b29 66.667%, #864006 83.333%, #6f3b17 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gLRgHJgETgEfgDwgEAgMRgNFgN8gLMgLOgLZ?style=linearGradient&steps=7&angle=225 -->
            <defs>
              <linearGradient id="gradient" x1="0.854" y1="0.146" x2="0.146" y2="0.854">
        <stop offset="0.000" stop-color="#a8683e" /><stop offset="0.167" stop-color="#e29b75" /><stop offset="0.333" stop-color="#ffb287" /><stop offset="0.500" stop-color="#f19d64" /><stop offset="0.667" stop-color="#bd6b29" /><stop offset="0.833" stop-color="#864006" /><stop offset="1.000" stop-color="#6f3b17" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#a8683e", "#e29b75", "#ffb287", "#f19d64", "#bd6b29", "#864006", "#6f3b17"]

// https://grabient.com/_gLRgHJgETgEfgDwgEAgMRgNFgN8gLMgLOgLZ?style=linearGradient&steps=7&angle=225
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 225.0;

vec3 palette(float t) {
    vec3 a = vec3(0.721, 0.457, 0.275);
    vec3 b = vec3(0.287, 0.240, 0.256);
    vec3 c = vec3(0.785, 0.837, 0.892);
    vec3 d = vec3(0.716, 0.718, 0.729);
    return a + b * cos(6.283185 * (c * t + d));
}

// N stops sampled from the palette, blended like the CSS gradient
vec3 stops(float t) {
    float n = STEPS - 1.0;
    float x = clamp(t, 0.0, 1.0) * n;
    return mix(palette(floor(x) / n), palette(min(floor(x) + 1.0, n) / n), fract(x));
}

void mainImage(out vec4 fragColor, in vec2 fragCoord) {
    vec2 p = fragCoord - 0.5 * iResolution.xy;
    // CSS angle: 0 = up, clockwise; span = CSS gradient-line length
    vec2 dir = vec2(sin(radians(ANGLE)), cos(radians(ANGLE)));
    float len = abs(iResolution.x * dir.x) + abs(iResolution.y * dir.y);
    float t = dot(p, dir) / len + 0.5;
    fragColor = vec4(stops(t), 1.0);
}

[
  [0.721, 0.457, 0.275],
  [0.287, 0.240, 0.256],
  [0.785, 0.837, 0.892],
  [0.716, 0.718, 0.729]
]