specularConstant

The specularConstant attribute controls the ratio of reflection of the specular lighting. It represents the ks value in the Phong lighting model. The bigger the value the stronger the reflection.

Only one element is using this attribute: <feSpecularLighting>

<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">
  <filter id="specularLighting1" x="0" y="0" width="100%" height="100%">
    <feSpecularLighting in="SourceGraphic" specularConstant="1.2">
      <fePointLight x="60" y="60" z="20" />
    </feSpecularLighting>
  </filter>
  <filter id="specularLighting2" x="0" y="0" width="100%" height="100%">
    <feSpecularLighting in="SourceGraphic" specularConstant="0.8">
      <fePointLight x="60" y="60" z="20" />
    </feSpecularLighting>
  </filter>

  <rect x="0" y="0" width="200" height="200" style="filter: url(#specularLighting1);" />
  <rect x="0" y="0" width="200" height="200"
      style="filter: url(#specularLighting2); transform: translateX(220px);" />
</svg>

Usage notes

Value <number>
Default value 1
Animatable Yes

Specifications

Browser compatibility

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See also