Hex #667e2b or rgb(102,126,43) in RGB space is the tint of lime. It has hue angle of 77.35 degrees, value = 49 and saturation = 66. #667e2b can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of blue, 1 drop of cyan, 4 drops of black.
Nearest safe hex - #666633. Below you can see the block with #667e2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #667e2b to the mixer and play with it.