*2.1. Purísima Concepción: Materials and Painting Technique* ness, hue, saturation, and even covering power of the paint.

Results from the spectroscopic techniques are divided in a description of the binding media and color palette. In a first approximation, the color palette appears to be simple, with predominance of golden, blue, and red hues. However, the interpretation of the studies applied show a great diversity of materials employed to achieve effects such as brightness, hue, saturation, and even covering power of the paint. 2.1.1. Binding Media FORS SWIR spectra from regions with different colors of the paint are shown in Fig-
