Hex #20a680 or rgb(32,166,128) in RGB space is the tint of greenish cian. It has hue angle of 162.99 degrees, value = 65 and saturation = 81. #20a680 can be obtained by mixing 4 colors: 3 drops of cyan, 2 drops of green, 1 drop of white, 2 drops of black.
Nearest safe hex - #339999. Below you can see the block with #20a680 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20a680 to the mixer and play with it.