Here is the full list of all 10 I Won't Forget Hue achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Look through the Cyan Lenses
Look through the Yellow Lenses
Look through the Magenta Lenses
Acquire your next Painting Piece
Acquire all hidden Painting Pieces
Reach the Painting Room
Reach the Painting Room in 5 minutes
Reach the Painting Room without Dying
Play the piano