Hex #40a04e or rgb(64,160,78) in RGB space is the tint of bluish green. It has hue angle of 128.75 degrees, value = 63 and saturation = 60. #40a04e can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 5 drops of green, 1 drop of white.
Nearest safe hex - #339966. Below you can see the block with #40a04e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a04e to the mixer and play with it.