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Caramel Color Strength and Hue

Color Strength

The comparison of five Sethness Caramel Colors is intended for general guidance only. Actual color performance is dependent upon the physical and chemical characteristics of the system in which it is being used, as well as the concentration of the specific Caramel Color in the final product. We encourage consultation with our technical staff to choose the Sethness Caramel Color perfect for your application.

bottles_s_hThis side-by-side comparison demonstrates the relative color strength of five Sethness Caramel Colors. Color strength is quantified by a measurement called Tinctorial Power, KO.560*. The higher the Tinctorial Power, KO.560, the darker the Caramel Color. These five products demonstrate a range of color strengths, but there are dozens more Sethness Caramel Colors whose strengths are between those shown. For this comparison, each Sethness Caramel Color was diluted to a 0.2% solution in water (2.0 grams per liter).

You can also see some of the differences in hue between these Caramel Color samples.

*Tinctorial Power, KO.560 (TP, KO.560) is defined as the absorbance of a 0.1% weight/volume solution measured through a 1 cm light path at a wavelength of 560 nanometers using a high quality spectrophotometer (2 nm or less bandpass).


Hue Indexes* are one way to objectively measure the "redness" of each Sethness Caramel Color product. While the absolute values of each Hue Index are meaningful, the relative values are more relevant. The higher the Hue Indexes, the more red the Caramel Color.

*Hue Indexes are a measure of the color hue or red characteristics of a Caramel Color. It is a function of the absorbance measures at wavelengths of 510 and 610 nanometers.