# Functions that convert from YCbCr to RGB Convert image data represented by luma, blue-difference, and red-difference channels to red, green, and blue channels. ## Topics ### Converting from 4:2:0 [`vImageConvert_420Yp8_CbCr8ToARGB8888(_:_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_420Yp8_CbCr8ToARGB8888(_:_:_:_:_:_:_:)) Converts a planar Yp buffer and a 2-channel CbCr buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_420Yp8_Cb8_Cr8ToARGB8888(_:_:_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_420Yp8_Cb8_Cr8ToARGB8888(_:_:_:_:_:_:_:_:)) Converts planar Yp, Cb, and Cr buffers to an 8-bit-per-channel, 4-channel ARGB buffer. ### Converting from 4:2:2 [`vImageConvert_422YpCbYpCr8ToARGB8888(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_422YpCbYpCr8ToARGB8888(_:_:_:_:_:_:)) Converts an 8-bit-per-channel 4:2:2 YpCbYpCr buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_422CbYpCrYp8ToARGB8888(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_422CbYpCrYp8ToARGB8888(_:_:_:_:_:_:)) Converts an 8-bit-per-channel 4:2:2 CbYpCrYp buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_422CbYpCrYp16ToARGB8888(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_422CbYpCrYp16ToARGB8888(_:_:_:_:_:_:)) Converts a 16-bit-per-channel 4:2:2 CbYpCrYp buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_422CbYpCrYp8_AA8ToARGB8888(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_422CbYpCrYp8_AA8ToARGB8888(_:_:_:_:_:_:)) Converts an 8-bit-per-channel 4:2:2 CbYpCrYp buffer and an 8-bit alpha buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_422CbYpCrYp16ToARGB16U(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_422CbYpCrYp16ToARGB16U(_:_:_:_:_:_:)) Converts a 16-bit-per-channel 4:2:2 CbYpCrYp buffer to an unsigned 16-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_422CrYpCbYpCbYpCbYpCrYpCrYp10ToARGB8888(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_422CrYpCbYpCbYpCbYpCrYpCrYp10ToARGB8888(_:_:_:_:_:_:)) Converts a 10-bit-per-channel 4:2:2 CrYpCbYpCbYpCbYpCrYpCrYp buffer to a 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_422CrYpCbYpCbYpCbYpCrYpCrYp10ToARGB16Q12(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_422CrYpCbYpCbYpCbYpCrYpCrYp10ToARGB16Q12(_:_:_:_:_:_:)) Converts a 10-bit-per-channel 4:2:2 CrYpCbYpCbYpCbYpCrYpCrYp buffer to a fixed-point 16-bit-per-channel, 4-channel ARGB buffer. ### Converting from 4:4:4 [`vImageConvert_444AYpCbCr8ToARGB8888(_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_444AYpCbCr8ToARGB8888(_:_:_:_:_:)) Converts an 8-bit-per-channel 4:4:4 YpCbCr buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_444CrYpCb8ToARGB8888(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_444CrYpCb8ToARGB8888(_:_:_:_:_:_:)) Converts an 8-bit-per-channel 4:4:4 CrYpCb buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_444CbYpCrA8ToARGB8888(_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_444CbYpCrA8ToARGB8888(_:_:_:_:_:)) Converts an 8-bit-per-channel 4:4:4 CbYpCrA buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_444CrYpCb10ToARGB8888(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_444CrYpCb10ToARGB8888(_:_:_:_:_:_:)) Converts an 10-bit-per-channel 4:4:4 CrYpCb buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_444CrYpCb10ToARGB16Q12(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_444CrYpCb10ToARGB16Q12(_:_:_:_:_:_:)) Converts an 10-bit-per-channel 4:4:4 CrYpCb buffer to a fixed-point 16-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_444AYpCbCr16ToARGB8888(_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_444AYpCbCr16ToARGB8888(_:_:_:_:_:)) Converts an 16-bit-per-channel 4:4:4 YpCbCr buffer to an 8-bit-per-channel, 4-channel ARGB buffer. [`vImageConvert_444AYpCbCr16ToARGB16U(_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_444AYpCbCr16ToARGB16U(_:_:_:_:_:)) Converts an 10-bit-per-channel 4:4:4 CrYpCb buffer to an unsigned 16-bit-per-channel, 4-channel ARGB buffer. ### Generating conversion information [`vImageConvert_YpCbCrToARGB_GenerateConversion(_:_:_:_:_:_:)`](/documentation/Accelerate/vImageConvert_YpCbCrToARGB_GenerateConversion(_:_:_:_:_:_:)) Generates the information that describes the conversion from YpCbCr to ARGB. [`vImageYpCbCrType`](/documentation/Accelerate/vImageYpCbCrType) Constants that describe the encoding of a YpCbCr image for conversions between RGB and YpCbCr. [`vImageARGBType`](/documentation/Accelerate/vImageARGBType) Constants that describe the encoding of an ARGB image for conversions between RGB and YpCbCr. [`vImage_YpCbCrToARGBMatrix`](/documentation/Accelerate/vImage_YpCbCrToARGBMatrix) The 3 x 3 matrix that the vImage library uses to convert from YpCbCr to RGB. [`vImage_YpCbCrToARGB`](/documentation/Accelerate/vImage_YpCbCrToARGB) The information that describes the conversion from YpCbCr to ARGB. [`vImage_YpCbCrPixelRange`](/documentation/Accelerate/vImage_YpCbCrPixelRange) The description of range and clamping information for YpCbCr pixel formats. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)