# Wikipedia Authors - Luma (Video) (Highlights) ![rw-book-cover|256](https://readwise-assets.s3.amazonaws.com/static/images/article2.74d541386bbf.png) ## Metadata **Review**:: [readwise.io](https://readwise.io/bookreview/19755464) **Source**:: #from/readwise **Zettel**:: #zettel/fleeting **Status**:: #x **Authors**:: [[Wikipedia Authors]] **Full Title**:: Luma (Video) **Category**:: #articles #readwise/articles **Category Icon**:: 📰 **URL**:: [en.wikipedia.org](https://en.wikipedia.org/wiki/Luma_(video)) **Host**:: [[en.wikipedia.org]] **Highlighted**:: [[2022-10-15]] **Created**:: [[2022-10-16]] ## Highlights - For the Rec. 709 (and sRGB) primaries, the linear combination, based on pure colorimetric considerations and the definition of relative luminance is: $ {\displaystyle Y=0.2126R+0.7152G+0.0722B} $ ^398254925 #latex