Hex #666f44 or rgb(102,111,68) in RGB space is the tint of lime. It has hue angle of 72.56 degrees, value = 44 and saturation = 39. #666f44 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of red, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #666f44 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #666f44 to the mixer and play with it.