The twelve presets in the color collection are all named after the Zodiac signs.
The water signs (Pisces, Scorpio, & Cancer) are all a bit cooler tones.
The Earth signs (Taurus, Virgo, & Capricorn) are a bit earthy and brown tones.
The fire signs (Leo, Aries, & Sagittarius) are all warmer.
The air signs (Aquarius, Gemini, & Libra) are more of the vintage variety.