Gradient palette editor — #2f5754 to #e3d676

/* https://grabient.com/_gLqgicgF7gJBgdcgBygD9gBigWegIZgILgKl?style=linearGradient&steps=7&angle=180 */

background: linear-gradient(180deg, #2f5754 0.000%, #3d607a 16.667%, #546f71 33.333%, #72824a 50.000%, #969a4e 66.667%, #bcb675 83.333%, #e3d676 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gLqgicgF7gJBgdcgBygD9gBigWegIZgILgKl?style=linearGradient&steps=7&angle=180 -->
            <defs>
              <linearGradient id="gradient" x1="0.500" y1="0.000" x2="0.500" y2="1.000">
        <stop offset="0.000" stop-color="#2f5754" /><stop offset="0.167" stop-color="#3d607a" /><stop offset="0.333" stop-color="#546f71" /><stop offset="0.500" stop-color="#72824a" /><stop offset="0.667" stop-color="#969a4e" /><stop offset="0.833" stop-color="#bcb675" /><stop offset="1.000" stop-color="#e3d676" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#2f5754", "#3d607a", "#546f71", "#72824a", "#969a4e", "#bcb675", "#e3d676"]

// https://grabient.com/_gLqgicgF7gJBgdcgBygD9gBigWegIZgILgKl?style=linearGradient&steps=7&angle=180
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 180.0;

vec3 palette(float t) {
    vec3 a = vec3(0.746, 2.204, 0.379);
    vec3 b = vec3(0.577, 1.884, 0.114);
    vec3 c = vec3(0.253, 0.098, 1.438);
    vec3 d = vec3(0.537, 0.523, 0.677);
    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);
}

[
  [0.746, 2.204, 0.379],
  [0.577, 1.884, 0.114],
  [0.253, 0.098, 1.438],
  [0.537, 0.523, 0.677]
]