Teal green to marine to sea gradient palette editor

/* https://grabient.com/_gCLgF9gGsgBkf7zgD6gWrgMkf1hf7rf5Yf8W?style=angularSwatches&steps=4&angle=45 */

background: conic-gradient(from 45deg, #1f9e74 0.000deg, #1f9e74 90.000deg, #2a3b30 calc(90.000deg + 0.1deg), #2a3b30 180.000deg, #1a2d52 calc(180.000deg + 0.1deg), #1a2d52 270.000deg, #2f93a2 calc(270.000deg + 0.1deg) 360.000deg);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gCLgF9gGsgBkf7zgD6gWrgMkf1hf7rf5Yf8W?style=angularSwatches&steps=4&angle=45 -->
            <defs>
              <clipPath id="squareClip">
                <rect x="0" y="0" width="800" height="400" />
              </clipPath>
              <filter id="antiGap">
                <feGaussianBlur in="SourceGraphic" stdDeviation="0.3" />
              </filter>
            </defs>
            <g clip-path="url(#squareClip)" filter="url(#antiGap)" shape-rendering="crispEdges">
          <path d="
              M 400.000,200.000
              L 716.228,-116.228
              A 447.214,447.214 0 0 1 716.228,516.228
              Z
            " fill="#1f9e74" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 716.228,516.228
              A 447.214,447.214 0 0 1 83.772,516.228
              Z
            " fill="#2a3b30" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 83.772,516.228
              A 447.214,447.214 0 0 1 83.772,-116.228
              Z
            " fill="#1a2d52" fill-opacity="1.000" /><path d="
              M 400.000,200.000
              L 83.772,-116.228
              A 447.214,447.214 0 0 1 716.228,-116.228
              Z
            " fill="#2f93a2" fill-opacity="1.000" /></g>
        </svg>

["#1f9e74", "#2a3b30", "#1a2d52", "#2f93a2"]

// https://grabient.com/_gCLgF9gGsgBkf7zgD6gWrgMkf1hf7rf5Yf8W?style=angularSwatches&steps=4&angle=45
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 4.0;
const float ANGLE = 45.0;

vec3 palette(float t) {
    vec3 a = vec3(0.139, 0.381, 0.428);
    vec3 b = vec3(0.100, -0.269, 0.250);
    vec3 c = vec3(1.451, 0.804, -0.671);
    vec3 d = vec3(-0.277, -0.424, -0.234);
    return a + b * cos(6.283185 * (c * t + d));
}

// N hard swatches sampled from the palette
vec3 stops(float t) {
    float i = min(floor(clamp(t, 0.0, 1.0) * STEPS), STEPS - 1.0);
    return palette(i / (STEPS - 1.0));
}

void mainImage(out vec4 fragColor, in vec2 fragCoord) {
    vec2 p = fragCoord - 0.5 * iResolution.xy;
    // conic from ANGLE, clockwise from top (CSS convention)
    float t = fract((atan(p.x, p.y) - radians(ANGLE)) / 6.283185);
    fragColor = vec4(stops(t), 1.0);
}

[
  [0.139, 0.381, 0.428],
  [0.100, -0.269, 0.250],
  [1.451, 0.804, -0.671],
  [-0.277, -0.424, -0.234]
]