RGB Spotlight Mixer
RGB
R+G=Yellow · R+B=Magenta · G+B=Cyan · R+G+B=White
Intensity Controls
Red (~700nm)80%
Green (~550nm)80%
Blue (~450nm)80%
Center Mix Output
#CCCCCC
rgb(204, 204, 204)
Mixed
Eye Cone Responses
L-cone (long / red ~560nm)80%
M-cone (medium / green ~530nm)70%
S-cone (short / blue ~420nm)72%
Your brain interprets L+M+S signals to perceive all colours.
Colour Blindness Simulator
Normal
#CCCCCC
→
Simulated
#CCCCCC
Visible Spectrum — Click to Pick Wavelength
380nm (Violet)↑ Click to select wavelength700nm (Red)
550 nm
RGB: (146, 255, 0) · #92FF00
Green
Science: Human eyes have three cone types — L (~560nm peak, "red"), M (~530nm, "green"), S (~420nm, "blue"). All perceived colours arise from different combinations of these three signals. Colour blindness occurs when a cone type is absent or defective — protanopia and deuteranopia each affect ~4% of males.