Hex #40b180 or rgb(64,177,128) in RGB space is the tint of teal. It has hue angle of 153.98 degrees, value = 69 and saturation = 64. #40b180 can be obtained by mixing 4 colors: 3 drops of blue, 1 drop of cyan, 5 drops of green, 3 drops of white.
Nearest safe hex - #339999. Below you can see the block with #40b180 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b180 to the mixer and play with it.