Hex #20797a or rgb(32,121,122) in RGB space is the tint of cyan. It has hue angle of 180.67 degrees, value = 48 and saturation = 74. #20797a can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 5 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #20797a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20797a to the mixer and play with it.