mask-mode

Specifies whether the mask should be treated as an alpha mask (using transparency) or a luminance mask (using brightness).

.luminance-mask {
  /* Uses the brightness of the image to determine visibility */
  mask-mode: luminance;
}
Initial value
match-source
Inherited
No
Applies to
allElementsSVGContainerElements
Animation type
discrete
Newly available Since 2023 88% global usage

Since 2023 this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

Works in all modern browsers. May need a fallback for older browsers.

120+
53+
15.4+
120+
ESC