Considerable variation in absorbance of the extracts in the wavelength interval from 350 to 700 nm was found TPH concentrations varied from 3.10 g L to 7.10 g L while CIELab coordinates of the laborato dyengs on wall not change to the same exten. This could be explaing with presence of otherb coloured enponens, and ther of the textile substrates.