Colour Sudoku

Hello and welcome to our Colour Sudoku. Place each color in the grid so that it appears just once in each row, column, and each of the nine 3x3 squares. You should be able to solve any of the puzzles here without having to write them down, and they all have a single answer. If you don't think you can go, click the 'suggest me' option, and any mistakes you make will be marked in red, or a green square if you don't make any. The tree surrounding the piece will indicate where you can go next. If you try to insert a number that already exists in that row, column, or small square, both instances will be highlighted in red.

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