Advantages of Spectral Data for Subtractive Color Models

The paper will discuss the spectral data of additive and subtractive color models, the need and use of spectral data for color optimization in the printing industry. The experimental data was conducted to demonstrate the effectiveness of spectral data in color models using the following data sets: cyan + magenta (from a proprietary data set), CMYK - textile, CMYK - digital, CMYK - flexo, and CMYK - offset.
The results of the experimental data indicate that additional data such as spectral gradients and overprints causes the most accurate color models. Therefore, the use of spectral data should be required for color modeling.