His face turned pale.
Kare no kao wa aoku natta.
he; him; his; boyfriend
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
face; visage; look; expression; countenance; honor; honour; face; influence; notoriety
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
blue; green; pale; unripe; inexperienced
to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...