Associative Compound 会意

赤 chi4

noun | radical 155

Kun Reading

赤 | あか aka

noun 
: red; crimson; scarlet
: red-containing color (e.g. brown, pink, orange)
: (Colloquialism) Red (i.e. communist)
: (Abbreviation) red light
: (Abbreviation) red ink (i.e. in finance or proof-reading); (in) the red; () complete; total; perfect; obvious

赤い | あかい akai

adjective
: red
: Red (i.e. communist)

赤み | あかみ akami

noun | no-adjective
: reddish tinge; tinge of red; slight redness; blush