Warm and Cold Black

Warm and Cold Black

By Dr. Gil Dekel. Colours around us are extremely delicate. They can have gradations of shades and hues mixed. Nature is prolific in ‘creating’ elaborate colours. Look carefully at the example below. If you add red to black, you get a warm black. If you add blue to...
Hue, saturation and brightness (HSB)

Hue, saturation and brightness (HSB)

By Dr. Gil Dekel. Hue, saturation, and brightness are characteristics of colours. Hue is another word for colour. The hue (colour) is the dominant wavelength that we see, for example: red, blue, green. Saturation is the intensity of the colour. It is how vivid and...