Hex #40b2aa or rgb(64,178,170) in RGB space is the tint of cyan. It has hue angle of 175.79 degrees, value = 70 and saturation = 64. #40b2aa can be obtained by mixing 4 colors: 5 drops of cyan, 1 drop of green, 3 drops of white, 3 drops of black.
Nearest safe hex - #339999. Below you can see the block with #40b2aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b2aa to the mixer and play with it.