clash
n. countablen. a short fight or a strong disagreement between two people or groups. You also use it when two colors or patterns look bad together because they are too different.
n. a brief but violent confrontation or a sharp conflict between opposing ideas or interests. It also describes a visual incompatibility between colors or styles.
The two teams had a minor clash after the game.
Police were called to the scene following a violent clash between rival groups of protesters in the city center.
The interior designer warned that the vibrant orange curtains would create a harsh clash with the deep purple walls, potentially overwhelming the room's aesthetic balance.
Of onomatopoeic origin. Compare Saterland Frisian klatskje (“to smack, slap”), West Frisian kletse, kletskje, Dutch kletsen (“to smack, slap, clash”), German Low German klattsen, klatsken (“to smack, splash”), German klatschen (“to clap, smack, slap”) and Klatsch (“a clapping sound; the din resulting from two or more things colliding”), Danish klaske (“to clash, splatter”).
Often used with the preposition 'between' to identify the parties involved, or 'with' to identify the opposing force.