1. A method comprising: accessing, by operation of a computer, color data for use in generating a digital image, the generated digital image comprising a selected variation of a master digital image; accessing, by operation of a computer, illumination data associated with the master digital image, wherein the illumination data indicates illumination values for pixels in the master digital image; and adjusting, by operation of a computer, the color data for pixels in the generated digital image using the illumination data, the adjusted color data adapted for use in a photorealistic representation of the generated digital image.