Gradient palette editor — #8f3e32 to #91b086

/* https://grabient.com/_gKzgHlgGBgCCgEDgDAgOpgIhgJNgH8gIwgIU?style=linearGradient&steps=7&angle=135 */

background: linear-gradient(135deg, #8f3e32 0.000%, #9f5541 16.667%, #be785c 33.333%, #d19c79 50.000%, #c6b68e 66.667%, #a8bd93 83.333%, #91b086 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gKzgHlgGBgCCgEDgDAgOpgIhgJNgH8gIwgIU?style=linearGradient&steps=7&angle=135 -->
            <defs>
              <linearGradient id="gradient" x1="0.146" y1="0.146" x2="0.854" y2="0.854">
        <stop offset="0.000" stop-color="#8f3e32" /><stop offset="0.167" stop-color="#9f5541" /><stop offset="0.333" stop-color="#be785c" /><stop offset="0.500" stop-color="#d19c79" /><stop offset="0.667" stop-color="#c6b68e" /><stop offset="0.833" stop-color="#a8bd93" /><stop offset="1.000" stop-color="#91b086" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#8f3e32", "#9f5541", "#be785c", "#d19c79", "#c6b68e", "#a8bd93", "#91b086"]

// https://grabient.com/_gKzgHlgGBgCCgEDgDAgOpgIhgJNgH8gIwgIU?style=linearGradient&steps=7&angle=135
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 135.0;

vec3 palette(float t) {
    vec3 a = vec3(0.691, 0.485, 0.385);
    vec3 b = vec3(0.130, 0.259, 0.192);
    vec3 c = vec3(0.937, 0.545, 0.589);
    vec3 d = vec3(0.508, 0.560, 0.532);
    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);
}

[
  [0.691, 0.485, 0.385],
  [0.130, 0.259, 0.192],
  [0.937, 0.545, 0.589],
  [0.508, 0.560, 0.532]
]