Hex #20776b or rgb(32,119,107) in RGB space is the tint of greenish cian. It has hue angle of 171.72 degrees, value = 47 and saturation = 73. #20776b can be obtained by mixing 3 colors: 1 drop of yellow, 5 drops of blue, 2 drops of green.
Nearest safe hex - #336666. Below you can see the block with #20776b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20776b to the mixer and play with it.