Gradient palette editor — #e70c82 to #8169ff

/* https://grabient.com/_f9fgF_gLygSlgFRgEBgDkgLTgHkgOfgIBgIn?style=linearGradient&steps=6&angle=135 */

background: linear-gradient(135deg, #e70c82 0.000%, #ff3399 20.000%, #ff7dbe 40.000%, #eeb3e4 60.000%, #c1aafd 80.000%, #8169ff 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_f9fgF_gLygSlgFRgEBgDkgLTgHkgOfgIBgIn?style=linearGradient&steps=6&angle=135 -->
            <defs>
              <linearGradient id="gradient" x1="0.146" y1="0.146" x2="0.854" y2="0.854">
        <stop offset="0.000" stop-color="#e70c82" /><stop offset="0.200" stop-color="#ff3399" /><stop offset="0.400" stop-color="#ff7dbe" /><stop offset="0.600" stop-color="#eeb3e4" /><stop offset="0.800" stop-color="#c1aafd" /><stop offset="1.000" stop-color="#8169ff" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#e70c82", "#ff3399", "#ff7dbe", "#eeb3e4", "#c1aafd", "#8169ff"]

// https://grabient.com/_f9fgF_gLygSlgFRgEBgDkgLTgHkgOfgIBgIn?style=linearGradient&steps=6&angle=135
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 6.0;
const float ANGLE = 135.0;

vec3 palette(float t) {
    vec3 a = vec3(-0.161, 0.383, 0.754);
    vec3 b = vec3(1.189, 0.337, 0.257);
    vec3 c = vec3(0.228, 0.723, 0.484);
    vec3 d = vec3(0.927, 0.513, 0.551);
    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);
}

[
  [-0.161, 0.383, 0.754],
  [1.189, 0.337, 0.257],
  [0.228, 0.723, 0.484],
  [0.927, 0.513, 0.551]
]