Page 6 - Understanding light, colour and hair colour
P. 6
Newton’s circular electromagnetic spectrum explains that there is no
individual wavelength for the colours purple, or brown. A purple hue emits
from a mixture of invisible wavelengths between Gamma rays at 100th of a
nano metre and Radio waves 1 meter or longer. Also if equal amounts of
three or more wavelengths in the visible spectrum are reflected, the colour
brown will be visible. (Please see Fig4.)
