Hex #404b2b or rgb(64,75,43) in RGB space is the tint of lime. It has hue angle of 80.63 degrees, value = 29 and saturation = 43. #404b2b can be obtained by mixing 3 colors: 3 drops of magenta, 5 drops of green, 4 drops of black.
Nearest safe hex - #333333. Below you can see the block with #404b2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404b2b to the mixer and play with it.