Red
Color
Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a secondary color... Wikipedia
Inverse: green
CIELChuv (L, C, h): (53, 179, 12°)
Frequency: ~480–400 THz
HSV (h, s, v): (0°, 100%, 100%)
Source: X11
sRGBB (r, g, b): (255, 0, 0)
Wavelength: Approx. 625–740 nm