Red
Rosso
Orange
Arancione
Yellow
Giallo
Green
Verde
Blue
Blu
Indigo
Indaco
Purple/Violet
Viola
Pink
Rosa
Scarlet
Scarlatto
Burgundy
Bordeaux
Black
Nero
White
Bianco
Brown
Marrone
Grey
Grigio
Which colours change their ending based on both gender and number?
Rosso, Giallo, Bianco, Nero, Grigio, Scarlatto
Which colours change their ending based on number but not gender?
Arancione, Verde, Indaco, Marrone
Which colours never change their ending regardless of gender or number?
Blu, Viola, Rosa, Bordeaux
Light/Sky Blue
Azzurro/Celeste