Hex #40b355 or rgb(64,179,85) in RGB space is the tint of bluish green. It has hue angle of 130.96 degrees, value = 70 and saturation = 64. #40b355 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 2 drops of cyan, 4 drops of green.
Nearest safe hex - #33cc66. Below you can see the block with #40b355 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b355 to the mixer and play with it.