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
International Colour Authority the earliest colour trend prediction available to the furniture design and textile industries. Nowadays the ICA is one of the leading colour forecasters for the industry, along with the Color Marketing Group. Their products are ""high-quality forecast publications containing an abundance of accurate information on market trends"", which ranks them among ""the favourite publications of many professionals"", according to an article published by the International Trade Centre. Colours in the ICA colour guides are referenced using the Pantone standard, the Natural Color System (NCS) standard, or both. ICA has now launched an online service through which subscribers can download the