You Can’t Control What You Can’t Measure

2) Colorimeters: break down color into numeric values using the CIE XYZ color space or one of its derivatives, such as CIE L*a*b or CIE L*u*v.

3) Spectrophotometers: measure data within the color spectrum (spectral data), are capable of gathering the most complete color data, and provide the most accurate and useful color information. Brand and special spot colors require analysis with colorimeters or spectrophotometers to ensure the best possible match.