noun, noun which may take the genitive case particle 'no'
orange-yellow; yellow with a reddish tinge
Describes a color between yellow and orange; often used for autumn leaves, sunsets, or fruit.
秋になると、山が赤黄色に染まる。
In autumn, the mountains turn orange-yellow.
赤黄色の夕焼けがとてもきれいだった。
The orange-yellow sunset was very beautiful.
黄色 is plain yellow, without the reddish tinge of 赤黄色.
Compound of 赤 (red) and 黄色 (yellow), literally 'red-yellow'.