Hex #40caa3 or rgb(64,202,163) in RGB space is the tint of greenish cian. It has hue angle of 163.04 degrees, value = 79 and saturation = 68. #40caa3 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of cyan, 4 drops of green, 2 drops of white.
Nearest safe hex - #33cc99. Below you can see the block with #40caa3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40caa3 to the mixer and play with it.