As nouns the difference between chroma and luma
is that chroma is the aspect of a colour's hue that depends on the amount of white or black in it; saturation while luma is currency unit of Armenia, worth one hundredth of an Armenian dram.
chroma
Translingual
Noun
(head)
Color.
----
luma
English
(wikipedia)
Etymology 1
From (etyl) .
Noun
(en-noun)
(currency) currency unit of Armenia, worth one hundredth of an Armenian dram
Etymology 2
(luminance)
Noun
(-)
The brightness in an image, as opposed to the saturation or chroma.
Anagrams
*
*
----