Color

One of the most important visual factors of carpet is color. Generally, chromogenic substances can be categorized as follows :

1-Pigments:

These are soluble in organic solvents and are not used in dyeing.

2-Chromatins (bases): 

Chromatic substances are absorbed by materials either via the absorption phenomenon or through diffusion (penetration). They are soluble in water and are divided into two natural and chemical types.