flood-color

An SVG property that sets the color of an SVG filter's flood area. It's often used with 'feFlood' to fill a region with a solid color for lighting or shadow effects.

It is documented as part of the Filter Effects specification.

/* Usage Example */
feFlood {
  /* Sets the flood color to a semi-transparent blue */
  flood-color: rgba(59, 130, 246, 0.5);
}

/* Global values */
flood-color: inherit;
flood-color: initial;
flood-color: revert;
flood-color: revert-layer;
flood-color: unset;
Widely available Since 2015 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.

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