Hex #20ab80 or rgb(32,171,128) in RGB space is the tint of greenish cian. It has hue angle of 161.44 degrees, value = 67 and saturation = 81. #20ab80 can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of cyan, 1 drop of green, 2 drops of black.
Nearest safe hex - #339999. Below you can see the block with #20ab80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20ab80 to the mixer and play with it.