Hex #40c1aa or rgb(64,193,170) in RGB space is the tint of greenish cian. It has hue angle of 169.30 degrees, value = 76 and saturation = 67. #40c1aa can be obtained by mixing 4 colors: 5 drops of cyan, 2 drops of green, 3 drops of white, 2 drops of black.
Nearest safe hex - #33cc99. Below you can see the block with #40c1aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40c1aa to the mixer and play with it.