noun
yellowish red; poppy red
A color term for a red with a noticeable yellow component, similar to the color of poppy flowers. Used in descriptive or technical contexts.
この花は黄赤色をしている。
This flower is a yellowish red.
黄赤色の絵の具を混ぜて夕焼けを描いた。
I mixed yellowish-red paint and painted the sunset.
赤黄色 is a similar compound but with the kanji order reversed, sometimes used interchangeably, though 黄赤色 may emphasize the yellow component more.
Compound of 黄 (yellow) + 赤 (red) + 色 (color). The exact historical derivation is uncertain, but the word transparently describes a yellowish-red hue.