brightness

nouns

the location of a visual perception along a continuum from black to white
brightness
is derived from
bright
is derived from
bright
antonym
dullness
is a type of (narrower)
the visual effect of illumination on objects or scenes as created in pictures
"he could paint the lightest light and the darkest dark"
light, lightness
intelligence as manifested in being quick and witty
brightness, cleverness, smartness
is derived from
bright
is derived from
bright
the quality of being luminous; emitting or reflecting light
"its luminosity is measured relative to that of our sun"
brightness, brightness level, light, luminance, luminosity, luminousness
is derived from
bright
is derived from
bright
is derived from
bright