noun
similar color; colors in the same family
Refers to colors that are close to each other on the color wheel or share a common hue, often used in design and fashion contexts.
この部屋は同系色でまとめられていて、落ち着いた雰囲気だ。
This room is coordinated with similar colors, creating a calm atmosphere.
同系色のコーディネートは上級者向けと言われることもある。
Coordinating outfits with similar colors is sometimes said to be for advanced dressers.
補色 refers to complementary colors (opposite on the color wheel), whereas 同系色 refers to similar, harmonious colors.
Compound of 同 (same), 系 (system/lineage), and 色 (color). The term is a modern technical coinage for describing color relationships.