Mixed Audit Hat Deduction 9

A public ledger says the room contains hats with totals {'red': 2, 'blue': 2, 'green': 1, 'yellow': 1}. The current player can see still-unrevealed hats ['blue', 'red']. Earlier in the round, audited declarations were: Player 1 guessed green and was marked wrong; Player 2 guessed green and was marked wrong; Player 3 guessed blue and was marked correct. What is the current player's own hat color?