Charcoal gray to drab green to very light brown gradient palette editor

/* https://grabient.com/_gM5fjvgR5gO0gnXgPSgCBgBfgBlgJtgOCgIY?style=linearGradient&steps=5&angle=270 */

background: linear-gradient(270deg, #233631 0.000%, #48693d 25.000%, #73904f 50.000%, #a2a966 75.000%, #d2b481 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gM5fjvgR5gO0gnXgPSgCBgBfgBlgJtgOCgIY?style=linearGradient&steps=5&angle=270 -->
            <defs>
              <linearGradient id="gradient" x1="1.000" y1="0.500" x2="0.000" y2="0.500">
        <stop offset="0.000" stop-color="#233631" /><stop offset="0.250" stop-color="#48693d" /><stop offset="0.500" stop-color="#73904f" /><stop offset="0.750" stop-color="#a2a966" /><stop offset="1.000" stop-color="#d2b481" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#233631", "#48693d", "#73904f", "#a2a966", "#d2b481"]

// https://grabient.com/_gM5fjvgR5gO0gnXgPSgCBgBfgBlgJtgOCgIY?style=linearGradient&steps=5&angle=270
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 5.0;
const float ANGLE = 270.0;

vec3 palette(float t) {
    vec3 a = vec3(0.825, -1.809, 1.145);
    vec3 b = vec3(0.948, 2.519, 0.978);
    vec3 c = vec3(0.129, 0.095, 0.101);
    vec3 d = vec3(0.621, 0.898, 0.536);
    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);
}

[
  [0.825, -1.809, 1.145],
  [0.948, 2.519, 0.978],
  [0.129, 0.095, 0.101],
  [0.621, 0.898, 0.536]
]