Hex #666f3c or rgb(102,111,60) in RGB space is the tint of lime. It has hue angle of 70.59 degrees, value = 44 and saturation = 46. #666f3c can be obtained by mixing 4 colors: 3 drops of yellow, 2 drops of blue, 1 drop of white, 4 drops of black.
Nearest safe hex - #666633. Below you can see the block with #666f3c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #666f3c to the mixer and play with it.