Wavelength Regions (rough, not to scale)
UV
Violet
Indigo
Blue
Cyan
Green
Yellow
Orange
Red
NIR
IR
UV
<380
Vio
380-425
Ind
425-450
Blue
450-495
Cyan
495-520
Green
520-560
Yel
560-590
Org
590-620
Red
620-780
NIR
780-1400
IR
>1400
UV: <380 nm | Visible: 380-780 nm | NIR: 780-1400 nm | IR: >1400 nm