>Do spectral violet and ultraviolet differ? In what way? It's ultra because it isn't within the visible spectrum. Violet is a spectral color, which means it's

>Do spectral violet and ultraviolet differ? In what way? It's ultra because it isn't within the visible spectrum. Violet is a spectral color, which means it's evoked by a single wavelength of light. So the term spectral violet refers to all the shades of violet. >>why does it matter? You have a word for it.