When to use yellow color in Korean
Korean: 노란색[ no-ran-saek ]

When to use it
노란색 means the color yellow. You use it to talk about things that are yellow, especially food like bananas, lemons, corn, or cheese. It can describe a noun, or it can simply name the color.
Example sentences
아침에 노란색 바나나를 먹어요.
I eat a yellow banana in the morning.
학교에서 노란색 옥수수빵을 샀어요.
I bought yellow corn bread at school.
시장에 노란색 레몬이 많아요.
There are many yellow lemons at the market.
도시락에 노란색 달걀말이가 있어요.
There is yellow rolled egg in the lunchbox.
공원에서 노란색 참외를 먹었어요.
I ate a yellow Korean melon at the park.
기차에서 노란색 바나나우유를 마셨어요.
I drank yellow banana milk on the train.