Hex #40ae2b or rgb(64,174,43) in RGB space is the tint of grass green. It has hue angle of 110.38 degrees, value = 68 and saturation = 75. #40ae2b can be obtained by mixing 4 colors: 3 drops of yellow, 2 drops of cyan, 5 drops of green, 2 drops of black.
Nearest safe hex - #339933. Below you can see the block with #40ae2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40ae2b to the mixer and play with it.