noun
light yellowish-green; young-leaf green
A traditional Japanese color name for the bright, fresh green of new leaves in spring, often with a yellowish tint.
彼女は萌黄色の着物を着ていた。
She wore a kimono of light yellowish-green.
春になると山が萌黄色に染まる。
In spring, the mountains are dyed in the color of young leaves.
From 萌え (moe, 'budding, sprouting') + 黄 (ki, 'yellow') + 色 (iro, 'color'), referring to the yellowish-green of new shoots.