noun
bright green; chartreuse green
A vivid yellowish-green color, reminiscent of young grass or fresh leaves. Used as a color name in fashion, design, and everyday description.
彼女は若草色のワンピースを着ていた。
She was wearing a bright green dress.
春になると野原が若草色に染まる。
In spring, the fields turn a bright green.
萌葱色 is a traditional Japanese color name for a similar bright yellowish-green, often used in classical contexts.
Compound of 若草 (わかくさ, 'young grass') + 色 (いろ, 'color'). The term directly describes the color of fresh, young grass.