• 黄色きいろ — yellow
• 黄色きいろい — yellow (adjective)
• 黄身きみ — egg yolk
• 卵黄らんおう — egg yolk (formal)
• 黄金おうごん — gold / golden
• 硫黄いおう — sulfur

More examples ▼

• 黄河こうが — Yellow River (China)
• 緑黄色りょくおうしょく野菜やさい — green and yellow vegetables
• 黄きばむ — to turn yellow / to discolor
• 黄色きいろい声こえ — shrill voice / high-pitched cheering
• 黄金週間おうごんしゅうかん — Golden Week
• 黄熱病おうねつびょう — yellow fever
• 黄海こうかい — Yellow Sea

This kanji is used widely for colors, food, nature, and symbolic meanings such as richness, caution, or brightness.