Gradient palette editor — #83bc54 to #ffeb9f

/* https://grabient.com/_gJsgM9gGYgNagBfgH4gBfgGdgBfgLagIngLV */

background: linear-gradient(90deg, #83bc54 0.000%, #98c261 16.667%, #aeca6d 33.333%, #c4d57a 50.000%, #d9df87 66.667%, #eee793 83.333%, #ffeb9f 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gJsgM9gGYgNagBfgH4gBfgGdgBfgLagIngLV -->
            <defs>
              <linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
        <stop offset="0.000" stop-color="#83bc54" /><stop offset="0.167" stop-color="#98c261" /><stop offset="0.333" stop-color="#aeca6d" /><stop offset="0.500" stop-color="#c4d57a" /><stop offset="0.667" stop-color="#d9df87" /><stop offset="0.833" stop-color="#eee793" /><stop offset="1.000" stop-color="#ffeb9f" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#83bc54", "#98c261", "#aeca6d", "#c4d57a", "#d9df87", "#eee793", "#ffeb9f"]

// https://grabient.com/_gJsgM9gGYgNagBfgH4gBfgGdgBfgLagIngLV
// 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(0.620, 0.829, 0.408);
    vec3 b = vec3(0.858, 0.095, 0.504);
    vec3 c = vec3(0.095, 0.413, 0.095);
    vec3 d = vec3(0.730, 0.551, 0.725);
    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);
}

[
  [0.620, 0.829, 0.408],
  [0.858, 0.095, 0.504],
  [0.095, 0.413, 0.095],
  [0.730, 0.551, 0.725]
]