color triangle
arrangement of colours within a triangle, based on the additive combination of three primary colors at its corners
en-GB/kɒlə ˈtɹaɪæŋɡəl/
en-US/ˈkɔlɚ ˈtɹaɪˌæŋɡəl/
arrangement of colours within a triangle, based on the additive combination of three primary colors at its corners