Citrine (colour) than it is today and could be "reddish or brownish yellow; or orange; or amber (distinguished from yellow)". In today's English citrine as a colour is mostly confined to the contexts of (1) gemstones, including quartz, and (2) some animal and plant names. E.g., the citrine wagtail ("Motacilla citreola"), an Asian bird species with golden-yellow plumage, or the citrine warbler, citrine canary-flycatcher, citrine forktail, etc. Citrine (colour) Citrine is a colour, the most common reference for which is certain coloured varieties of quartz which are a medium deep shade of golden yellow. Citrine has been summarized at various times as
Earliest color films in South India Anilin-Fabrikation (Agfa) and belonged to I.G. Farben since 1925. The Agfa Wolfen plant developed the first modern colour film, with incorporated colour couplers, Agfacolor, in 1936. ORWO Color had caused Tamil cinema to have all films in colour. ORWO Colour was among the cheapest methods at that time (in the late 70s). "Pattina Pravesam", a 1977 film directed K. Balachander, was Tamil cinema's first film to be shot in ORWO colour. Colour films after 1978 were mostly shot in ORWO Colour. It gave a similar colour quality as Eastmancolor. Tamil films in the 80s were all shot using ORWO Colour.