Hex #66724d or rgb(102,114,77) in RGB space is the tint of lime. It has hue angle of 79.46 degrees, value = 45 and saturation = 32. #66724d can be obtained by mixing 4 colors: 1 drop of red, 3 drops of magenta, 1 drop of cyan, 5 drops of green.
Nearest safe hex - #666666. Below you can see the block with #66724d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66724d to the mixer and play with it.