Gradient palette editor — #d9efee to #0ec3f3

/* https://grabient.com/_gUHgMXgODgYVgCmgBfgBkgMkgQNgEngOXgMp?style=linearGradient&steps=7&angle=45 */

background: linear-gradient(45deg, #d9efee 0.000%, #b2f2fd 16.667%, #8ddaf3 33.333%, #69b7da 50.000%, #48a1cd 66.667%, #2aa6da 83.333%, #0ec3f3 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gUHgMXgODgYVgCmgBfgBkgMkgQNgEngOXgMp?style=linearGradient&steps=7&angle=45 -->
            <defs>
              <linearGradient id="gradient" x1="0.146" y1="0.854" x2="0.854" y2="0.146">
        <stop offset="0.000" stop-color="#d9efee" /><stop offset="0.167" stop-color="#b2f2fd" /><stop offset="0.333" stop-color="#8ddaf3" /><stop offset="0.500" stop-color="#69b7da" /><stop offset="0.667" stop-color="#48a1cd" /><stop offset="0.833" stop-color="#2aa6da" /><stop offset="1.000" stop-color="#0ec3f3" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#d9efee", "#b2f2fd", "#8ddaf3", "#69b7da", "#48a1cd", "#2aa6da", "#0ec3f3"]

// https://grabient.com/_gUHgMXgODgYVgCmgBfgBkgMkgQNgEngOXgMp?style=linearGradient&steps=7&angle=45
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 45.0;

vec3 palette(float t) {
    vec3 a = vec3(1.287, 0.791, 0.899);
    vec3 b = vec3(1.557, 0.166, 0.095);
    vec3 c = vec3(0.100, 0.804, 1.037);
    vec3 d = vec3(0.295, 0.919, 0.809);
    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);
}

[
  [1.287, 0.791, 0.899],
  [1.557, 0.166, 0.095],
  [0.100, 0.804, 1.037],
  [0.295, 0.919, 0.809]
]