When I think of the signs I think of these colors...
Aries: A very pale blue and a pale purple
Leo: Orange and gold
Libra: a deep blue and a pale orange
Aquarius: a seafoam green and ocean blue
Virgo: a light green and a dark green
Cancer: pink and red
Taurus: light brown and dark red
Sagittarius: dark dark purple and a dark brown
Scorpio: a mid dark purple and a dark blue
Gemini: silver and a forest green
Capricorn: neon pink and purple
Pisces: neon blue and white