Hex #40442b or rgb(64,68,43) in RGB space is the tint of lime. It has hue angle of 69.60 degrees, value = 27 and saturation = 37. #40442b can be obtained by mixing 3 colors: 2 drops of magenta, 3 drops of green, 3 drops of black.
Nearest safe hex - #333333. Below you can see the block with #40442b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40442b to the mixer and play with it.