Hex #404635 or rgb(64,70,53) in RGB space is the tint of lime. It has hue angle of 81.18 degrees, value = 27 and saturation = 24. #404635 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of blue, 1 drop of white, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #404635 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404635 to the mixer and play with it.