Hex #40a855 or rgb(64,168,85) in RGB space is the tint of bluish green. It has hue angle of 132.12 degrees, value = 66 and saturation = 62. #40a855 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of cyan, 2 drops of green, 3 drops of black.
Nearest safe hex - #339966. Below you can see the block with #40a855 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a855 to the mixer and play with it.