Here is the full list of all 11 Color Circle achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Destroy 50 segments.
Destroy 250 segments.
Destroy 500 segments.
Collect 5 gems.
Collect 10 gems.
Collect 50 gems.
Finish Level 16 in Classic Mode.
Score 10 in a single Endless Mode game.
Score 20 in a single Endless Mode game.
Score 30 in a single Endless Mode game.
Score 50 in a single Endless Mode game.