O2

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <path
        fill="#ecf2ff"
        d="M451 191.499C448.598 135.7 402.4 91 346 91c-17.999 0-35.398 4.799-50.999 13.5C283.598 92.199 270.399 82.299 256 75.399 237.7 65.799 217.299 61 196 61c-72.898 0-132.598 58.2-135 130.499-36.299 17.1-61 54-61 94.501 0 57.9 48.102 105 106 105h300c57.898 0 106-47.1 106-105 0-40.501-24.701-77.401-61-94.501z"
    />
    <path
        fill="#d9e5ff"
        d="M512 286c0 57.9-48.102 105-106 105H256V75.399c14.399 6.899 27.598 16.8 39.001 29.101 15.601-8.701 33-13.5 50.999-13.5 56.4 0 102.598 44.7 105 100.499 36.299 17.1 61 54 61 94.501z"
    />
    <path
        fill="#6cf"
        d="M256 151.3c-13.499-18.301-35.398-30.3-60-30.3-41.4 0-75 33.6-75 75v60c0 41.4 33.6 75 75 75 24.602 0 46.201-11.7 60-30 9.302-12.301 15-28.2 15-45v-60c0-16.8-5.398-32.401-15-44.7zM241 256c0 24.899-20.098 45-45 45s-45-20.101-45-45v-60c0-24.901 20.098-45 45-45s45 20.099 45 45z"
    />
    <path
        fill="#59abff"
        d="M354.994 282.997C371.049 270.971 391 256 391 226c0-24.814-20.186-45-45-45s-45 20.186-45 45h30c0-8.276 6.738-15 15-15s15 6.724 15 15c0 14.297-8.672 21.504-23.994 33.003C320.951 271.029 301 286 301 316v15h90v-30h-55.635c4.014-6.05 10.694-11.294 19.629-18.003z"
    />
    <path
        fill="#d9e5ff"
        d="M166 512c-24.814 0-45-20.186-45-45s20.186-45 45-45 45 20.186 45 45-20.186 45-45 45z"
    />
    <path
        fill="#bfd6ff"
        d="M436 90c-24.814 0-45-20.186-45-45s20.186-45 45-45 45 20.186 45 45-20.186 45-45 45z"
    />
    <path
        fill="#59abff"
        d="M271 196v60c0 16.8-5.698 32.699-15 45V151.3c9.602 12.299 15 27.9 15 44.7z"
    />
</svg>