Scrabble?! COLORFULNESS

Definitions of COLORFULNESS in various dictionaries:

Colorfulness, chroma and saturation are attributes of perceived color relating to chromatic intensity. As defined formally by the International Commission on Illumination (CIE) they respectively describe three different aspects of chromatic intensity, but the terms are often used loosely and interchangeably in contexts where these aspects are not clearly distinguished. Colorfulness is the "attribute of a visual perception according to which the perceived color of an area appears to be more or less chromatic". A note accompanying this definition in effect implies that the perception of colorfulness evoked by an object depends not only on its spectral reflectance but also on the strength of the illumination, and increases with the latter unless the brightness is very high. Chroma is the "colorfulness of an area judged as a proportion of the brightness of a similarly illuminated area that appears white or highly transmitting". A note accompanying this definition in effect implies that an