Rainbow

<svg xmlns="http://www.w3.org/2000/svg" width="64" height="64" fill="none" viewBox="0 0 50 50">
  <g clip-path="url(#a)">
    <path fill="url(#b)" d="M38.562 0H11.438C5.121 0 0 5.121 0 11.438v27.124C0 44.879 5.121 50 11.438 50h27.124C44.879 50 50 44.879 50 38.562V11.438C50 5.121 44.879 0 38.562 0"/>
    <path fill="#ee421b" d="M27.277 12.578C22.96 9.985 18.19 8.552 13.015 8.295c-1.22-.06-1.522-.057-1.886.022-.953.207-1.74 1.034-1.9 1.994-.079.473-.053 4.39-.053 4.39v.098l.013 5.616.013 5.615.11.286c.313.824.93 1.391 1.724 1.587.16.04.605.085.99.1 2.696.11 5.122 1.142 7.04 2.995 2.01 1.943 3.158 4.493 3.27 7.267.015.385.059.838.096 1.008.176.795.76 1.437 1.601 1.758l.275.105 5.611.014 5.586-.014h.145l2.003.014c1.23.008 2.133-.007 2.34-.038 1.036-.156 1.888-1.008 2.054-2.051.06-.386.03-1.496-.079-2.864-.78-9.757-6.244-18.543-14.691-23.619"/>
    <mask id="d" width="34" height="34" x="9" y="8" maskUnits="userSpaceOnUse" style="mask-type:alpha">
      <path fill="url(#c)" d="M27.277 12.578C22.96 9.985 18.19 8.552 13.015 8.295c-1.22-.06-1.522-.057-1.886.022-.953.207-1.74 1.034-1.9 1.994-.079.473-.053 4.39-.053 4.39v.098l.013 5.616.013 5.615.11.286c.313.824.93 1.391 1.724 1.587.16.04.605.085.99.1 2.696.11 5.122 1.142 7.04 2.995 2.01 1.943 3.158 4.493 3.27 7.267.015.385.059.838.096 1.008.176.795.76 1.437 1.601 1.758l.275.105 5.611.014 5.586-.014h.145l2.003.014c1.23.008 2.133-.007 2.34-.038 1.036-.156 1.888-1.008 2.054-2.051.06-.386.03-1.496-.079-2.864-.78-9.757-6.244-18.543-14.691-23.619"/>
    </mask>
    <g mask="url(#d)">
      <g filter="url(#e)">
        <path fill="#8753c8" d="M36.585 2.968C32.268.374 19.535 1.15 14.36.893 13.14.833 2.249 8.215 1.884 8.295c-.952.207-1.74 1.034-1.9 1.994 1.373-.24 15.921-.1 20.207 2.29 5.357 2.986 9.387 4.216 12.838 8.874 3.45 4.657 6.204 11.607 7.079 15.371.7 3.012-.386 14.514-.386 14.72 1.035-.155 11.707-10.78 11.872-11.824.062-.386-2.665-7.126-2.775-8.494-.779-9.757-3.787-23.182-12.234-28.258"/>
      </g>
      <path fill="#fff000" fill-rule="evenodd" d="M35.471 41.136V38.61c0-13.14-10.653-23.793-23.793-23.793H9.172l.013 5.598.013 5.615.11.286c.313.824.93 1.391 1.724 1.587.16.04.605.085.99.1 2.696.11 5.123 1.142 7.04 2.995 2.01 1.943 3.158 4.493 3.27 7.267.015.385.058.838.096 1.008.176.795.76 1.437 1.601 1.758l.275.105 5.61.014z" clip-rule="evenodd"/>
    </g>
    <mask id="g" width="27" height="28" x="9" y="14" maskUnits="userSpaceOnUse" style="mask-type:alpha">
      <path fill="url(#f)" fill-rule="evenodd" d="M35.471 41.137V38.61c0-13.14-10.653-23.793-23.793-23.793H9.172l.013 5.598.013 5.615.11.286c.313.824.93 1.392 1.724 1.588.16.039.605.084.99.1 2.696.109 5.123 1.141 7.04 2.994 2.01 1.943 3.158 4.493 3.27 7.267.015.385.058.839.096 1.008.176.795.76 1.437 1.601 1.758l.276.105 5.61.014z" clip-rule="evenodd"/>
    </mask>
    <g mask="url(#g)">
      <g filter="url(#h)">
        <path fill="#ff9b00" d="M36.585 9.532c-4.317-2.594-17.05-1.818-22.225-2.075-1.22-.06-12.111 7.322-12.476 7.402-.952.207-1.74 1.034-1.9 1.994 1.373-.24 15.921-.1 20.207 2.29 5.357 2.986 6.38 4.602 9.83 9.26s3.396 14.503 4.271 18.267c.7 3.012 4.44 10.846 4.44 11.052 1.035-.156 12.697-10.395 12.862-11.438.062-.386-2.665-7.126-2.775-8.494-.779-9.757-3.787-23.182-12.234-28.258"/>
      </g>
      <path fill="#00b1e2" fill-rule="evenodd" d="M29.003 41.149v-2.105c0-9.729-7.886-17.615-17.615-17.615H9.506q-.16 0-.319.002l.011 4.6.11.285c.313.824.93 1.391 1.724 1.587.16.04.605.085.99.1 2.696.11 5.123 1.142 7.04 2.995 2.01 1.943 3.158 4.493 3.27 7.267.015.385.059.838.096 1.008.176.795.76 1.437 1.601 1.758 0 0 .173.113.39.113z" clip-rule="evenodd"/>
    </g>
    <mask id="k" width="20" height="21" x="9" y="21" maskUnits="userSpaceOnUse" style="mask-type:alpha">
      <path fill="url(#i)" fill-rule="evenodd" d="M29.003 41.147v-2.103c0-9.729-7.886-17.616-17.615-17.616H9.506q-.16 0-.319.003l.011 4.599.11.286c.313.824.93 1.391 1.724 1.587.16.04.605.084.99.1 2.696.11 5.123 1.142 7.04 2.995 2.01 1.942 3.158 4.493 3.27 7.267.015.385.059.838.096 1.008.176.795.76 1.437 1.601 1.758l.276.105z" clip-rule="evenodd"/>
    </mask>
    <g filter="url(#j)" mask="url(#k)">
      <path fill="#00da42" d="M36.585 16.143c-4.317-2.593-17.05-1.818-22.225-2.075-1.22-.06-12.111 7.323-12.476 7.402-.952.207-1.74 1.034-1.9 1.994 1.373-.24 15.81.788 20.095 3.177 5.357 2.986 6.419 11.776 6.419 11.776s.428 13.9 1.303 17.664c.7 3.011 10.931 8.046 10.931 8.253 1.035-.156 12.697-10.395 12.862-11.439.062-.385-2.665-7.126-2.775-8.494-.779-9.756-3.787-23.182-12.234-28.258"/>
    </g>
  </g>
  <defs>
    <radialGradient id="c" cx="0" cy="0" r="1" gradientTransform="rotate(133.13 5.007 20.129)scale(41.8276 41.8365)" gradientUnits="userSpaceOnUse">
      <stop stop-color="#ef421b"/>
      <stop offset="1" stop-color="#8753c8"/>
    </radialGradient>
    <radialGradient id="f" cx="0" cy="0" r="1" gradientTransform="rotate(-45.686 46.52 -9.236)scale(9.98282 9.96998)" gradientUnits="userSpaceOnUse">
      <stop stop-color="#fff100"/>
      <stop offset="1" stop-color="#ff9a00"/>
    </radialGradient>
    <radialGradient id="i" cx="0" cy="0" r="1" gradientTransform="rotate(133.925 8.627 17.703)scale(18.1928 18.2827)" gradientUnits="userSpaceOnUse">
      <stop stop-color="#05da40"/>
      <stop offset="1" stop-color="#00b1e3"/>
    </radialGradient>
    <filter id="e" width="73.617" height="72.66" x="-11.02" y="-10.111" color-interpolation-filters="sRGB" filterUnits="userSpaceOnUse">
      <feFlood flood-opacity="0" result="BackgroundImageFix"/>
      <feBlend in="SourceGraphic" in2="BackgroundImageFix" result="shape"/>
      <feGaussianBlur result="effect1_foregroundBlur_1_1372" stdDeviation="5.502"/>
    </filter>
    <filter id="h" width="73.617" height="72.273" x="-11.02" y="-3.547" color-interpolation-filters="sRGB" filterUnits="userSpaceOnUse">
      <feFlood flood-opacity="0" result="BackgroundImageFix"/>
      <feBlend in="SourceGraphic" in2="BackgroundImageFix" result="shape"/>
      <feGaussianBlur result="effect1_foregroundBlur_1_1372" stdDeviation="5.502"/>
    </filter>
    <filter id="j" width="73.617" height="72.273" x="-11.02" y="3.064" color-interpolation-filters="sRGB" filterUnits="userSpaceOnUse">
      <feFlood flood-opacity="0" result="BackgroundImageFix"/>
      <feBlend in="SourceGraphic" in2="BackgroundImageFix" result="shape"/>
      <feGaussianBlur result="effect1_foregroundBlur_1_1372" stdDeviation="5.502"/>
    </filter>
    <linearGradient id="b" x1="25" x2="25" y1="0" y2="50" gradientUnits="userSpaceOnUse">
      <stop stop-color="#174197"/>
      <stop offset="1" stop-color="#011e5a"/>
    </linearGradient>
    <clipPath id="a">
      <path fill="#fff" d="M0 0h50v50H0z"/>
    </clipPath>
  </defs>
</svg>