Hex #99e3aa or rgb(153,227,170) in RGB space is the tint of bluish green. It has hue angle of 133.78 degrees, value = 89 and saturation = 33. #99e3aa can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of cyan, 5 drops of white, 1 drop of black.
Nearest safe hex - #99cc99. Below you can see the block with #99e3aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99e3aa to the mixer and play with it.