RG, Rg or rg may stand for any of the following things:
The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors.
RGC 1404, formerly Gogledd Cymru (Welsh for "North Wales"; pronounced [ˈgɔglɛð ˈkəmrɨ]), is a rugby union development team announced by the Welsh Rugby Union in September 2008. They currently play in the Welsh Premier Division; after winning Division 1 East at the first attempt in 2012–13, they spent three seasons in the Welsh Championship before earning promotion to the Premier Division in 2015–16. They finished fourth in their first season in the top flight, but also won the WRU Challenge Cup for the first time.
The RG-31 Nyala is a 4×4 multi-purpose mine-resistant ambush protected infantry mobility vehicle manufactured in South Africa by Land Systems OMC, It is a division of Denel SOC LTD, located in Benoni, South Africa.
The RG-33 is a mine-resistant light armored vehicle initially designed by BAE Systems Land Systems South Africa (formerly Land Systems OMC) a South African subsidiary of BAE Systems.
RG Veda (聖伝-RG VEDA-, Seiden: Rigu Vēda) is a manga created by Clamp, consisting of ten volumes in all.
rGyalrong (Tibetan: རྒྱལ་རོང), also rendered Jiarong or sometimes Gyarung, is a subbranch of Rgyalrongic languages, spoken in Western Sichuan, China.
RGBA stands for red green blue alpha. While it is sometimes described as a color space, it is actually simply a use of the RGB color model, with extra alpha channel information.
Regulator of G protein signaling 4 also known as RGP4 is a protein that in humans is encoded by the RGS4 gene.
An RGB color space is any additive color space based on the RGB color model. A particular RGB color space is defined by the three chromaticities of the red, green, and blue additive primaries, and can produce any chromaticity that is the triangle defined by those primary colors.