What is the radical of yellow characters?

the radical of yellow characters: huáng

Pinyin: Hu?

Definition:

1. Like the color of gold or sunflower flowers: ~ color. ~ faint. Cattle ~. ~ chengcheng. Loose lips ~.

2. Especially the Yellow River in China: ~ disaster. Cure ~. ~ pan region.

3. It refers to the "Yellow Emperor" (namely "Xuanyuan", the legendary leader of tribal alliance in primitive society): ~ Lao (Yellow Emperor and Laozi). Inflammation ~ descendants.

4. things fail or the plan can't be realized: things are over.

5. Last name.

word combination? : khaki, yellow cattle, Huangshan, Yellow River, yellow flower, yellow, golden yellow, cucumber, soybean, apricot yellow?