Sunset rainbow sand to light mauve to light slate gray to ugly blue gradient palette editor

/* https://grabient.com/_f8-f3DgIbgR_gU_gCzgD6gBkgKKgOmgATgJ3 */

background: linear-gradient(90deg, #dbc26a 0.000%, #f1bc86 16.667%, #f2b2a4 33.333%, #e0a5b5 50.000%, #bb94b3 66.667%, #86809f 83.333%, #456981 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_f8-f3DgIbgR_gU_gCzgD6gBkgKKgOmgATgJ3 -->
            <defs>
              <linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
        <stop offset="0.000" stop-color="#dbc26a" /><stop offset="0.167" stop-color="#f1bc86" /><stop offset="0.333" stop-color="#f2b2a4" /><stop offset="0.500" stop-color="#e0a5b5" /><stop offset="0.667" stop-color="#bb94b3" /><stop offset="0.833" stop-color="#86809f" /><stop offset="1.000" stop-color="#456981" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#dbc26a", "#f1bc86", "#f2b2a4", "#e0a5b5", "#bb94b3", "#86809f", "#456981"]

// https://grabient.com/_f8-f3DgIbgR_gU_gCzgD6gBkgKKgOmgATgJ3
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 90.0;

vec3 palette(float t) {
    vec3 a = vec3(-0.194, -0.573, 0.539);
    vec3 b = vec3(1.151, 1.343, 0.179);
    vec3 c = vec3(0.250, 0.100, 0.650);
    vec3 d = vec3(0.934, 0.019, 0.631);
    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);
}

[
  [-0.194, -0.573, 0.539],
  [1.151, 1.343, 0.179],
  [0.250, 0.100, 0.650],
  [0.934, 0.019, 0.631]
]