1 Researchers have debated if green and red cone determination is random or deliberate. Green cones detect medium (M) wavelengths, while red cones detect long (L) wavelengths of light. The only known ...

S-cones: sensitive to short wavelengths of light (blue) ・M-cones: sensitive to medium wavelengths of light (green) ・L-cones: sensitive to long wavelengths of light (red) Each cone sends a ...