Hex #40a379 or rgb(64,163,121) in RGB space is the tint of teal. It has hue angle of 154.55 degrees, value = 64 and saturation = 61. #40a379 can be obtained by mixing 3 colors: 4 drops of blue, 5 drops of green, 3 drops of white.
Nearest safe hex - #339966. Below you can see the block with #40a379 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a379 to the mixer and play with it.