Hex #66703c or rgb(102,112,60) in RGB space is the tint of lime. It has hue angle of 71.54 degrees, value = 44 and saturation = 46. #66703c can be obtained by mixing 4 colors: 3 drops of red, 2 drops of blue, 4 drops of green, 1 drop of white.
Nearest safe hex - #666633. Below you can see the block with #66703c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66703c to the mixer and play with it.