red, orange, yellow, green, blue, indigo, and violet , these are the colors
visible color / spectral color / wheel color.
The Color Spectrum was created in 2010.
blue
The term was coined in 1882, meaning "under red" as in "below the color red's spectrum".
its violet
by color and spectrum
The Color Spectrum was created in 2010.
spectrum
the color spectrum
The visible spectrum.
They are called prisms.
The name rubidium refers to a red line in its emission spectrum that is similar to the color of rubies.
spectrum,Meaning Color or Range.
Another name for a rainbow is a color spectrum. A rainbow, which is a natural occurrence the involves the refraction and reflection of light after a rain storm, contains the entire color spectrum of visible light.
The color red is the longest wavelength in the visible light spectrum because the less energy a wave carries the longer the wavelength and red carries the least energy of all the colors in the visible spectrum
I suppose that you think to caesium (Cs).
indigo
blue