Hex #667744 or rgb(102,119,68) in RGB space is the tint of lime. It has hue angle of 80.00 degrees, value = 47 and saturation = 43. #667744 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of magenta, 2 drops of cyan, 4 drops of black.
Nearest safe hex - #666633. Below you can see the block with #667744 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #667744 to the mixer and play with it.