Gradient palette editor — #383a36 to #796d7f

/* https://grabient.com/_gHYgHYgHYgEWgEWgEWgKlgK2gKjgI7gJFgIv?style=linearGradient&steps=7&angle=135 */

background: linear-gradient(135deg, #383a36 0.000%, #5c6157 16.667%, #8d9387 33.333%, #b4b8b1 50.000%, #bfbdbf 66.667%, #a79fac 83.333%, #796d7f 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gHYgHYgHYgEWgEWgEWgKlgK2gKjgI7gJFgIv?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="#383a36" /><stop offset="0.167" stop-color="#5c6157" /><stop offset="0.333" stop-color="#8d9387" /><stop offset="0.500" stop-color="#b4b8b1" /><stop offset="0.667" stop-color="#bfbdbf" /><stop offset="0.833" stop-color="#a79fac" /><stop offset="1.000" stop-color="#796d7f" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#383a36", "#5c6157", "#8d9387", "#b4b8b1", "#bfbdbf", "#a79fac", "#796d7f"]

// https://grabient.com/_gHYgHYgHYgEWgEWgEWgKlgK2gKjgI7gJFgIv?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(0.472, 0.472, 0.472);
    vec3 b = vec3(0.278, 0.278, 0.278);
    vec3 c = vec3(0.677, 0.694, 0.675);
    vec3 d = vec3(0.571, 0.581, 0.559);
    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);
}

[
  [0.472, 0.472, 0.472],
  [0.278, 0.278, 0.278],
  [0.677, 0.694, 0.675],
  [0.571, 0.581, 0.559]
]