| English | French |
| Red Book audio | audio Red Book (A standard compact disc format developed by Philips and Sony) |
| Red Book audio format | format audio Red Book (A standard compact disc format developed by Philips and Sony) |
| red eye | yeux rouges (A photographic condition where the eyes of the subject appear red, due to the reflection of the camera flash from their eyes) |
| Red filter | filtre rouge (A filter that is used in B&W photography. Increases contrast more than any other filter) |
| red gain | gain de rouge (The factor by which the red pixel value has to be multiplied to achieve R=G=B values) |
| red, green, blue, alpha | rouge, vert, bleu, alpha (A model that augments the red, green, blue (RGB) method of combining colors in light-based media, with a fourth color component, alpha, which is used to control color blending. In Open GL, an alpha value of 1.0 corresponds to complete opacity and a value of 0.0 corresponds to complete transparency) |
| red-green-blue | rouge-vert-bleu (A color model that describes color information in terms of the red (R), green (G), and blue (B) intensities that make up the color) |
| red-green-blue | rouge-vert-bleu (A color model that describes color information in terms of the red (R), green (G), and blue (B) intensities that make up the color) |
