Color accuracyColor accuracy is an important but ambiguous image quality factor. Many viewers prefer enhanced color saturation; the most accurate color isn't necessarily the most pleasing. Nevertheless it is important to measure a camera's color response: its color shifts, saturation, and the effectiveness if its white balance algorithms. Color accuracy is measured by Colorcheck, using the widely-available 24-patch GretagMacbethTM ColorChecker® and by Multicharts using the 24-patch ColorChecker, ColorChecker SG, IT8.7, QPcard, CMP DC 003, and custom "pie" charts. Color accuracy is affected by the Bayer color filter array and by the signal processing and white balance algorithms in the camera or RAW converter. Flare light in lenses may reduce color saturation. Multicharts can calculate a color correciton matrix. |
Original | Color-shifted  |
Color can be corrected in image editing programs. If a RAW image file has been captured it can be corrected with far more precision with the RAW converter.
