Hex #40a570 or rgb(64,165,112) in RGB space is the tint of teal. It has hue angle of 148.51 degrees, value = 65 and saturation = 61. #40a570 can be obtained by mixing 4 colors: 3 drops of cyan, 5 drops of green, 4 drops of white, 4 drops of black.
Nearest safe hex - #339966. Below you can see the block with #40a570 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a570 to the mixer and play with it.