Hex #666d44 or rgb(102,109,68) in RGB space is the tint of lime. It has hue angle of 70.24 degrees, value = 43 and saturation = 38. #666d44 can be obtained by mixing 2 colors: 2 drops of magenta, 3 drops of green.
Nearest safe hex - #666633. Below you can see the block with #666d44 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #666d44 to the mixer and play with it.