Gradient palette editor — #000072 to #fc6b3e

/* https://grabient.com/_gHicVegEIgINj5VgDpgI7gBkgNNgHYgOtgN8?style=linearGradient&steps=7&angle=315 */

background: linear-gradient(315deg, #000072 0.000%, #01627d 16.667%, #35bd5f 33.333%, #81eb2c 50.000%, #cbed0a 66.667%, #fac212 83.333%, #fc6b3e 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gHicVegEIgINj5VgDpgI7gBkgNNgHYgOtgN8?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="#000072" /><stop offset="0.167" stop-color="#01627d" /><stop offset="0.333" stop-color="#35bd5f" /><stop offset="0.500" stop-color="#81eb2c" /><stop offset="0.667" stop-color="#cbed0a" /><stop offset="0.833" stop-color="#fac212" /><stop offset="1.000" stop-color="#fc6b3e" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#000072", "#01627d", "#35bd5f", "#81eb2c", "#cbed0a", "#fac212", "#fc6b3e"]

// https://grabient.com/_gHicVegEIgINj5VgDpgI7gBkgNNgHYgOtgN8?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(0.482, -15.010, 0.264);
    vec3 b = vec3(0.525, 15.957, 0.233);
    vec3 c = vec3(0.571, 0.100, 0.845);
    vec3 d = vec3(0.472, 0.941, 0.892);
    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);
}

[
  [0.482, -15.010, 0.264],
  [0.525, 15.957, 0.233],
  [0.571, 0.100, 0.845],
  [0.472, 0.941, 0.892]
]