/* https://grabient.com/_gNVgK5gQgf89gBkgCEf2-f8Nf65f_dgAvf9AgFv2vafx?style=linearGradient&steps=7&angle=315 */

background: linear-gradient(315deg, #abccff 0.000%, #bccdff 16.667%, #d8ccff 33.333%, #f4c9f7 50.000%, #ffc5f0 66.667%, #ffc0ed 83.333%, #ffbaed 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gNVgK5gQgf89gBkgCEf2-f8Nf65f_dgAvf9AgFv2vafx?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="#abccff" /><stop offset="0.167" stop-color="#bccdff" /><stop offset="0.333" stop-color="#d8ccff" /><stop offset="0.500" stop-color="#f4c9f7" /><stop offset="0.667" stop-color="#ffc5f0" /><stop offset="0.833" stop-color="#ffc0ed" /><stop offset="1.000" stop-color="#ffbaed" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#abccff", "#bccdff", "#d8ccff", "#f4c9f7", "#ffc5f0", "#ffc0ed", "#ffbaed"]

// https://grabient.com/_gNVgK5gQgf89gBkgCEf2-f8Nf65f_dgAvf9AgFv2vafx?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(0.858, 0.702, 1.061);
    vec3 b = vec3(-0.198, 0.101, 0.134);
    vec3 c = vec3(-0.570, -0.240, -0.322);
    vec3 d = vec3(-0.050, 0.032, -0.207);
    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);
}

[
  [0.858, 0.702, 1.061],
  [-0.198, 0.101, 0.134],
  [-0.570, -0.240, -0.322],
  [-0.050, 0.032, -0.207]
]

Gradient palette editor — #abccff to #ffbaed