Verbseoul.
ㅎ irregular (adj)
빨갛다ppalgatdadeep red

To say deep red politely in the present tense, use 빨개요 (bbahl-gae-yoh). Below is the full conjugation of 빨갛다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
빨개
bbahl-gae
빨개요
bbahl-gae-yoh
빨갛습니다
bbahl-gah-sseum-nee-dah
Past
빨갰어
bbahl-gae-ssuh
빨갰어요
bbahl-gae-ssuh-yoh
빨갰습니다
bbahl-gae-sseum-nee-dah
Future
빨갈 거야
bbahl-gahl- -guh-yah
빨갈 거예요
bbahl-gahl- -guh-yae-yoh
빨갈 겁니다
bbahl-gahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
빨가세요
bbahl-gah-sae-yoh
Suggestion / Let's Polite (요)
빨개요
bbahl-gae-yoh
Question Polite (요)
빨개요?
bbahl-gae-yoh-?
Connective “and” — (고)
빨갛고
bbahl-gah-koh
Conditional “if” — (면)
빨가면
bbahl-gah-myuhn
Noun form — (기)
빨감
bbahl-gahm