Hex #404b00 or rgb(64,75,0) in RGB space is the tint of lime. It has hue angle of 68.80 degrees, value = 29 and saturation = 100. #404b00 can be obtained by mixing 3 colors: 3 drops of red, 5 drops of green, 4 drops of black.
Nearest safe hex - #333300. Below you can see the block with #404b00 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404b00 to the mixer and play with it.