Hex #20cdb5 or rgb(32,205,181) in RGB space is the tint of greenish cian. It has hue angle of 171.68 degrees, value = 80 and saturation = 84. #20cdb5 can be obtained by mixing 4 colors: 1 drop of blue, 4 drops of cyan, 2 drops of green, 1 drop of white.
Nearest safe hex - #33cccc. Below you can see the block with #20cdb5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20cdb5 to the mixer and play with it.