A Quick Guide to ColorA gemstone's color is its most defining and arguably a stone's most important characteristic. When deciding upon gemstone color you should consider hue, tone, and saturation. |
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SaturationSaturation (also known as chroma or intensity) refers to the amount of color present. Saturation is the most important color-grading factor. To help visualize saturation, imagine a glass of water. Slowly blue ink is added to the water in the glass. The color will gradually become a deeper blue. In other words, the saturation increases proportionally with the amount of ink in the water. An example would be a ruby that was as red as it possibly could be. This ruby has obtained maximum saturation. A ruby with the lightest shade of pink possible would have the minimum saturation possible. |
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Hue
Now add two more drops of ink to only one glass. The hue is the same, but now this glass has a higher tone and saturation. If you continue to add ink to this glass, the tone and saturation will increase, but only to a point. Adding too much ink will eventually darken the color so much that black overrides the hue, resulting in a decrease in saturation.- Prima Pubblicazione: September-04-2006
- Ultima modifica: January-17-2019
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