Each of these 6 instruments are full scale chromatic representations of the instrument and it's pitch range, which can be translated into colors on the visual spectrum.

TRUMPET
F#3 - D6

CORNET
F#3 - D6

VIOLIN
G3 - A7

TROMBONE
B2 - A6

FLUTE
B3 - D7

CLARINET
E3 - C7