Hex #40b350 or rgb(64,179,80) in RGB space is the tint of bluish green. It has hue angle of 128.35 degrees, value = 70 and saturation = 64. #40b350 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of cyan, 4 drops of green, 3 drops of black.
Nearest safe hex - #33cc66. Below you can see the block with #40b350 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b350 to the mixer and play with it.