feColorMatrix

<svg
  width="100%"
  height="100%"
  viewBox="0 0 150 360"
  preserveAspectRatio="xMidYMid meet"
  xmlns="http://www.w3.org/2000/svg"
  xmlns:xlink="http://www.w3.org/1999/xlink">
  <text x="70" y="50">Reference</text>
  <g>
    <circle cx="30" cy="30" r="20" fill="blue" fill-opacity="0.5" />
    <circle cx="20" cy="50" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="50" r="20" fill="red" fill-opacity="0.5" />
  </g>

  <text x="70" y="120">matrix</text>

  <filter id="colorMeMatrix">
    <feColorMatrix
      in="SourceGraphic"
      type="matrix"
      values="0 0 0 0 0
              1 1 1 1 0
              0 0 0 0 0
              0 0 0 1 0" />
  </filter>

  <g filter="url(#colorMeMatrix)">
    <circle cx="30" cy="100" r="20" fill="blue" fill-opacity="0.5" />
    <circle cx="20" cy="120" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="120" r="20" fill="red" fill-opacity="0.5" />
  </g>

  <text x="70" y="190">saturate</text>

  <filter id="colorMeSaturate">
    <feColorMatrix in="SourceGraphic" type="saturate" values="0.2" />
  </filter>

  <g filter="url(#colorMeSaturate)">
    <circle cx="30" cy="170" r="20" fill="blue" fill-opacity="0.5" />
    <circle cx="20" cy="190" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="190" r="20" fill="red" fill-opacity="0.5" />
  </g>

  <text x="70" y="260">hueRotate</text>

  <filter id="colorMeHueRotate">
    <feColorMatrix in="SourceGraphic" type="hueRotate" values="180" />
  </filter>

  <g filter="url(#colorMeHueRotate)">
    <circle cx="30" cy="240" r="20" fill="blue" fill-opacity="0.5" />
    <circle cx="20" cy="260" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="260" r="20" fill="red" fill-opacity="0.5" />
  </g>

  <text x="70" y="320">luminanceToAlpha</text>

  <filter id="colorMeLTA">
    <feColorMatrix in="SourceGraphic" type="luminanceToAlpha" />
  </filter>

  <g filter="url(#colorMeLTA)">
    <circle cx="30" cy="310" r="20" fill="blue" fill-opacity="0.5" />
    <circle cx="20" cy="330" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="330" r="20" fill="red" fill-opacity="0.5" />
  </g>
</svg>