The Calibrite ColorChecker White Balance card is an A4-sized target for delivering accurate tonal response in high key situations It’s a calibration card that allows for assessment of correct exposure and eliminates colour shifts in photography and video work Improve the colour preview on your camera’s display so your histograms are more reliable The ColorChecker White Balance card makes post-production colour editing faster and easier by eliminating the need to neutralise each image individually The actual colour of the card is a light grey, which provides the best white balance result