Chromatics in interior design is a totality of psychological, physiological influences. The interior with a successful design can be a good platform to contribute to the improvement and quality of the life, it is a way of attributing to the individual a mode of perception of qualitative and quantitative reality. Each colour in the interior design, colour shade, range is perceived differently. Some colours cause peace, others energy so all existing primary and complimentary colours act thus favouring certain states both psychological and physiological. The tangentially of the chromatic properties, the forms of creating new colour shades, their appearance, the ranges created with the factors of psycho-physiological influence determine knowledge, the research of these two aspects to qualitatively improve life and its aspects.