+**Luminance** quantifies the perceived brightness of a surface, representing the intensity of light emitted or reflected from a given area, as registered by the [Eye](/wiki/Eye). It is a fundamental photometric measure, influencing how we perceive visual [Contrast](/wiki/Contrast) and the clarity of images.
+## See also
+- [Brightness](/wiki/Brightness)
+- [Color](/wiki/Color)
+- [Vision](/wiki/Vision)
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