/* https://grabient.com/_gKUhJnhmjgDMhEehiPgbCgBlgBkgH6gHigHd?style=linearGradient&steps=7&angle=135 */

background: linear-gradient(135deg, #745b57 0.000%, #b75448 16.667%, #d5594a 33.333%, #846b5d 50.000%, #8c8982 66.667%, #dab3b8 83.333%, #ade8fe 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gKUhJnhmjgDMhEehiPgbCgBlgBkgH6gHigHd?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="#745b57" /><stop offset="0.167" stop-color="#b75448" /><stop offset="0.333" stop-color="#d5594a" /><stop offset="0.500" stop-color="#846b5d" /><stop offset="0.667" stop-color="#8c8982" /><stop offset="0.833" stop-color="#dab3b8" /><stop offset="1.000" stop-color="#ade8fe" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#745b57", "#b75448", "#d5594a", "#846b5d", "#8c8982", "#dab3b8", "#ade8fe"]

// https://grabient.com/_gKUhJnhmjgDMhEehiPgbCgBlgBkgH6gHigHd?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(0.660, 4.711, 6.563);
    vec3 b = vec3(0.204, 4.382, 6.287);
    vec3 c = vec3(1.730, 0.101, 0.100);
    vec3 d = vec3(0.506, 0.482, 0.477);
    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);
}

[
  [0.660, 4.711, 6.563],
  [0.204, 4.382, 6.287],
  [1.730, 0.101, 0.100],
  [0.506, 0.482, 0.477]
]

Gradient palette editor — #745b57 to #ade8fe