colour matching1
/ˈkʌlə matʃɪŋ/(US color matching)
noun
1The action or fact of finding or selecting a match with regard to colour; the provision of a complement in a matching colour.
2The fact or process of ensuring that colour remains constant when converted between two media using different colour models, such as a computer monitor and a printer.
Origin
Late 19th century. From colour + matching. Compare later colour-match and earlier colour-matching.
colour-matching2
/ˈkʌləmatʃɪŋ/(US color-matching)
adjective
Having or displaying matching colours; of a matching colour.
Origin
Mid 19th century; earliest use found in R. S. Surtees (1805–1864), author. From colour + matching.