Can be seen as a subdivision of Post-Painterly Abstraction, which in turn emerged from Colour Field painting. The term was coined by the Californian critic Jules Langster in 1959 to describe those abstract painters, particularly on the West Coast, who in their reaction to the more painterly or gestural forms of Abstract Expressionism adopted a particularly impersonal paint application and delineated areas of colour with particular sharpness and clarity. This kind of approach to abstract painting became extremely widespread in the 1960s.