/* https://grabient.com/_fyfgGwgGfgbEgDBgC9gDOgNWgL2gOEgLAgHa?style=linearGradient&steps=7&angle=315 */

background: linear-gradient(315deg, #89603a 0.000%, #b88a43 16.667%, #d59f63 33.333%, #dd9087 50.000%, #d1679a 66.667%, #b14490 83.333%, #7f406f 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_fyfgGwgGfgbEgDBgC9gDOgNWgL2gOEgLAgHa?style=linearGradient&steps=7&angle=315 -->
            <defs>
              <linearGradient id="gradient" x1="0.854" y1="0.854" x2="0.146" y2="0.146">
        <stop offset="0.000" stop-color="#89603a" /><stop offset="0.167" stop-color="#b88a43" /><stop offset="0.333" stop-color="#d59f63" /><stop offset="0.500" stop-color="#dd9087" /><stop offset="0.667" stop-color="#d1679a" /><stop offset="0.833" stop-color="#b14490" /><stop offset="1.000" stop-color="#7f406f" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#89603a", "#b88a43", "#d59f63", "#dd9087", "#d1679a", "#b14490", "#7f406f"]

// https://grabient.com/_fyfgGwgGfgbEgDBgC9gDOgNWgL2gOEgLAgHa?style=linearGradient&steps=7&angle=315
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 315.0;

vec3 palette(float t) {
    vec3 a = vec3(-0.865, 0.432, 0.415);
    vec3 b = vec3(1.732, 0.193, 0.189);
    vec3 c = vec3(0.206, 0.854, 0.758);
    vec3 d = vec3(0.900, 0.704, 0.474);
    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);
}

[
  [-0.865, 0.432, 0.415],
  [1.732, 0.193, 0.189],
  [0.206, 0.854, 0.758],
  [0.900, 0.704, 0.474]
]

Gradient palette editor — #89603a to #7f406f