Hex #40c84e or rgb(64,200,78) in RGB space is the tint of green. It has hue angle of 126.18 degrees, value = 78 and saturation = 68. #40c84e can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of blue, 3 drops of cyan, 5 drops of green.
Nearest safe hex - #33cc66. Below you can see the block with #40c84e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40c84e to the mixer and play with it.