Hex #40d0aa or rgb(64,208,170) in RGB space is the tint of greenish cian. It has hue angle of 164.17 degrees, value = 82 and saturation = 69. #40d0aa can be obtained by mixing 4 colors: 5 drops of cyan, 3 drops of green, 3 drops of white, 1 drop of black.
Nearest safe hex - #33cc99. Below you can see the block with #40d0aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40d0aa to the mixer and play with it.