View source for R-Y

{{Short description|Color difference signal}}
<math>R-Y</math> indicates a color difference signal between red (R) and a [[luminance]] component, as part of a luminance (Y) and [[chrominance]] (C) color model. 
It has different meanings depending on the exact model used:
*'''V'''  in [[YUV]], a generic model used for analog and digital image formats;
*'''Cr''' in [[YCbCr]], used for digital images and video;
*'''Pr''' in [[YPbPr]], used in analog [[component video]];
*'''Dr''' in [[YDbDr]], used in analog [[SECAM]] and [[PAL#PALN|PAL-N]];

==See also==
[[B-Y]]

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