RG, Rg or rg may refer to:
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: [ˈgɔglɛð ˈkəmrɨ], "North Wales"), is a rugby union team founded in 2008 and based in Colwyn Bay, Conwy.
rGyalrong (Tibetan: རྒྱལ་རོང), also rendered Jiarong or sometimes Gyarung, is a subbranch of the Rgyalrongic languages spoken in western Sichuan, China.
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 (the division of Denel SOC LTD, located in Benoni, South Africa) and in Turkey by FNSS Defence Systems.
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.
The RGD-5 (Ruchnaya Granata Distantsionnaya, English "Hand Grenade Remote"), is a post-World War II Soviet anti-personnel fragmentation grenade, designed in the early 1950s.
RGBA stands for red green blue alpha. While it is sometimes described as a color space, it is actually the three-channel RGB color model supplemented with a 4th alpha channel.
RG Veda (聖伝-RG VEDA-, Seiden: Rigu Vēda) is a manga created by Clamp, consisting of ten volumes in all.
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.