• 青空あおぞら — blue sky
• 青信号あおしんごう — green (traffic) light
• 青年せいねん — young man / youth
• 青春せいしゅん — youth / springtime of life
• 青森あおもり — Aomori (place name)
• 青葉あおば — fresh green leaves
• 青海駅おうめえき — Oume Station (place name)
• 青菜あおな — leafy greens / green vegetables
青あおざめる — to turn pale

“青” goes beyond just color — it appears in cultural expressions, road signs, and poetic references to youth and newness. In Japanese, “green” lights are often called “blue,” showing how the perception of color can differ across cultures.

青あおい 海うみが 見みえます。
You can see the blue sea.

青春せいしゅんは 一度いちどきりです。
You only experience youth once.