Hex #404a2b or rgb(64,74,43) in RGB space is the tint of lime. It has hue angle of 79.35 degrees, value = 29 and saturation = 42. #404a2b can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 5 drops of green, 3 drops of black.
Nearest safe hex - #333333. Below you can see the block with #404a2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404a2b to the mixer and play with it.