Hex #20b855 or rgb(32,184,85) in RGB space is the tint of bluish green. It has hue angle of 140.92 degrees, value = 72 and saturation = 83. #20b855 can be obtained by mixing 4 colors: 1 drop of blue, 1 drop of cyan, 5 drops of green, 1 drop of white.
Nearest safe hex - #33cc66. Below you can see the block with #20b855 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20b855 to the mixer and play with it.