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So using the standard equation: E = hf, we can find the relationship between light intensity and wavelength as follows: c = lambda x f Therefore, f = c/lambda substitute this in the standard equation to get: E = (h c)/lambda Where h = planks constant, and c = speed of light.
Intensity, on the other hand deals with the amount of purity in the hue itself. It can also be referred to as âsaturationâ. Primary colors are considered to be the most âpureâ in intensity. Intensity can also be considered as the brightness or dullness of a color. Intensity is adjusted by adding additional colors to the pure hue. A color can be made less intense by adding gray to the color. In some ways, intensity can be measured by the amount of gray in the hue. Hues can only degrade in intensity. In other words, additional colors cannot be added to a hue to make them âmore intenseâ. Each color that is added to a pure hue decreases its intensity.