Rainbow straw to faded orange to darkblue to deep turquoise gradient palette editor

/* https://grabient.com/_gAAgAAf-4gPngPngB6gPngPngu2f_CgA9gAAn0n0vogA */

background: linear-gradient(90deg, #f5f67d 0.000%, #e4915e 16.667%, #6f1b7d 33.333%, #0a095e 50.000%, #1a6d7d 66.667%, #90e35e 83.333%, #f5f67d 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gAAgAAf-4gPngPngB6gPngPngu2f_CgA9gAAn0n0vogA -->
            <defs>
              <linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
        <stop offset="0.000" stop-color="#f5f67d" /><stop offset="0.167" stop-color="#e4915e" /><stop offset="0.333" stop-color="#6f1b7d" /><stop offset="0.500" stop-color="#0a095e" /><stop offset="0.667" stop-color="#1a6d7d" /><stop offset="0.833" stop-color="#90e35e" /><stop offset="1.000" stop-color="#f5f67d" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#f5f67d", "#e4915e", "#6f1b7d", "#0a095e", "#1a6d7d", "#90e35e", "#f5f67d"]

// https://grabient.com/_gAAgAAf-4gPngPngB6gPngPngu2f_CgA9gAAn0n0vogA
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 90.0;

vec3 palette(float t) {
    vec3 a = vec3(0.500, 0.500, 0.428);
    vec3 b = vec3(0.499, 0.499, 0.061);
    vec3 c = vec3(0.999, 0.999, 2.998);
    vec3 d = vec3(-0.062, 0.061, 0.000);
    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);
}

[
  [0.500, 0.500, 0.428],
  [0.499, 0.499, 0.061],
  [0.999, 0.999, 2.998],
  [-0.062, 0.061, 0.000]
]