/* https://grabient.com/_gH1gKyfbIgHjgB3guegHJgK3gBhgH-gG8gPF?style=linearGradient&steps=6&angle=270 */

background: linear-gradient(270deg, #05938a 0.000%, #1d9699 20.000%, #54ab9c 40.000%, #9ac395 60.000%, #d7ce82 80.000%, #f8c364 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gH1gKyfbIgHjgB3guegHJgK3gBhgH-gG8gPF?style=linearGradient&steps=6&angle=270 -->
            <defs>
              <linearGradient id="gradient" x1="1.000" y1="0.500" x2="0.000" y2="0.500">
        <stop offset="0.000" stop-color="#05938a" /><stop offset="0.200" stop-color="#1d9699" /><stop offset="0.400" stop-color="#54ab9c" /><stop offset="0.600" stop-color="#9ac395" /><stop offset="0.800" stop-color="#d7ce82" /><stop offset="1.000" stop-color="#f8c364" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#05938a", "#1d9699", "#54ab9c", "#9ac395", "#d7ce82", "#f8c364"]

// https://grabient.com/_gH1gKyfbIgHjgB3guegHJgK3gBhgH-gG8gPF?style=linearGradient&steps=6&angle=270
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 6.0;
const float ANGLE = 270.0;

vec3 palette(float t) {
    vec3 a = vec3(0.501, 0.690, -2.360);
    vec3 b = vec3(0.483, 0.119, 2.974);
    vec3 c = vec3(0.457, 0.695, 0.097);
    vec3 d = vec3(0.510, 0.444, 0.965);
    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);
}

[
  [0.501, 0.690, -2.360],
  [0.483, 0.119, 2.974],
  [0.457, 0.695, 0.097],
  [0.510, 0.444, 0.965]
]

Gradient palette editor — #05938a to #f8c364