Hex #40b855 or rgb(64,184,85) in RGB space is the tint of bluish green. It has hue angle of 130.50 degrees, value = 72 and saturation = 65. #40b855 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of cyan, 3 drops of green, 2 drops of black.
Nearest safe hex - #33cc66. Below you can see the block with #40b855 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b855 to the mixer and play with it.