Hex #40b835 or rgb(64,184,53) in RGB space is the tint of green. It has hue angle of 114.96 degrees, value = 72 and saturation = 71. #40b835 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of blue, 5 drops of green, 1 drop of white.
Nearest safe hex - #33cc33. Below you can see the block with #40b835 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b835 to the mixer and play with it.