Eye

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient id="a">
        <stop offset="0" stop-color="#1bea87" />
        <stop offset=".209" stop-color="#1ad479" />
        <stop offset=".514" stop-color="#1aba69" />
        <stop offset=".787" stop-color="#19aa5f" />
        <stop offset="1" stop-color="#19a45b" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="245.804"
        x2="269.985"
        y1="227.019"
        y2="227.019"
        gradientUnits="userSpaceOnUse"
        href="#a"
    />
    <linearGradient
        id="c"
        x1="268.985"
        x2="370.71"
        y1="101.713"
        y2="101.713"
        gradientUnits="userSpaceOnUse"
        href="#a"
    />
    <linearGradient
        id="d"
        x1="139.308"
        x2="246.336"
        y1="101.804"
        y2="101.804"
        gradientUnits="userSpaceOnUse"
        href="#a"
    />
    <path
        fill="#fff"
        d="M257 471.1c-52.6 0-103.6-14.3-147.4-41.5-42.7-26.4-76.5-63.6-97.7-107.5l-1.9-3.9 1.9-3.9c21.2-43.9 55-81.1 97.7-107.6 43.8-27.1 94.8-41.5 147.4-41.5s103.6 14.3 147.4 41.5c42.8 26.5 76.6 63.7 97.7 107.6l1.9 3.9-1.9 3.9c-21.2 43.9-55 81.1-97.7 107.6-43.8 27.1-94.8 41.4-147.4 41.4z"
    />
    <path
        fill="#c7cddd"
        d="M257 174.2c105.3 0 196 59 237 143.9C453 403 362.3 462 257 462S61 403 20 318.1c41-84.8 131.7-143.9 237-143.9m0-18c-54.3 0-106.9 14.8-152.1 42.8-44.2 27.5-79.2 65.9-101.1 111.4L0 318.2l3.8 7.8c21.9 45.4 56.9 83.9 101.1 111.3 45.2 28 97.8 42.8 152.1 42.8s106.9-14.8 152.1-42.8c44.2-27.4 79.2-65.9 101.1-111.3l3.8-7.8-3.8-7.8c-21.9-45.4-56.9-83.9-101.1-111.3-45.2-28.1-97.8-42.9-152.1-42.9z"
    />
    <circle cx="257" cy="318.2" r="143.9" fill="#00cfff" />
    <circle cx="257" cy="318.2" r="101.8" fill="#373e49" />
    <path fill="#12d87e" d="M245.8 93.8H270v266.3h-24.2z" />
    <path fill="url(#b)" d="M245.8 93.8H270v266.3h-24.2z" />
    <path
        fill="#19bf70"
        d="M269 152.6v-39.2c0-34.6 28-62.6 62.6-62.6h39.2V90c0 34.6-28 62.6-62.6 62.6z"
    />
    <path fill="url(#c)" d="M370.7 50.8V90c0 34.6-28 62.6-62.6 62.6h-39.2z" />
    <path
        fill="#19bf70"
        d="M246.3 155.3h-44.5c-34.6 0-62.6-28-62.6-62.6V48.3h44.5c34.6 0 62.6 28 62.6 62.6z"
    />
    <path
        fill="url(#d)"
        d="M246.3 155.3h-44.5c-34.6 0-62.6-28-62.6-62.6V48.3z"
    />
</svg>