From red hot to blue moon to cool green shade, it paints our thoughts and our language with evocative images.
Color is also the most important value factor when dealing with colored stones.
Correctly used, the hue terms and the tone and saturation levels provide a systematic approach to communicating gem colors. Penoir Contemporary Jewelry uses the GIA Gem Set when describing Gemstones in all appraisals. This translates to Green-Blue Hue, Medium Dark Tone, and Moderately Strong Saturation. A gem's basic body color. A normal person with average vision can see up to 150 distinct hues, but in we use 31.