Hex #40ba55 or rgb(64,186,85) in RGB space is the tint of bluish green. It has hue angle of 130.33 degrees, value = 73 and saturation = 66. #40ba55 can be obtained by mixing 3 colors: 1 drop of blue, 5 drops of green, 2 drops of white.
Nearest safe hex - #33cc66. Below you can see the block with #40ba55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40ba55 to the mixer and play with it.