Increasing Color Accuracy
Can color accuracy be increased? Yes. In many ways. Targets like gray cards and color checkers can help to a limited degree; they’re useful in idealized lighting situations (5000K) but not others (the gray card isn’t gray in the ‘golden hours’ – it’s golden). Add ambient light readings (amount, temperature, spectral distribution) for more precision. Written observations on site about colors and color relationships can help too, if the language used to describe color is precise. (I recommend LHS.) And, onsite verification and adjustment; compare the image made with the subject at the time of capture.
Find out more in my downloads , DVDs, and workshops.