High-key lighting found its use in classical Hollywood cinema because it was well suited for three-point lighting and other filmmaking traditions. It is an overall lighting design which uses the fill light and backlight to create low contrast between brighter and darker areas. It can be used for both daylight and night scenes.2
Pramaggiore, Maria; Wallis, Tom (2005-01-01). Film: A Critical Introduction. Laurence King Publishing. p. 81. ISBN 9781856694421. high key lighting. 9781856694421 ↩
David Bordwell; Kristin Thompson; Jeff Smith (1979). Film Art: An Introduction. McGraw-Hill. ISBN 978-1259534959. 978-1259534959 ↩