Hex #33756f or rgb(51,117,111) in RGB space is the tint of cyan. It has hue angle of 174.55 degrees, value = 46 and saturation = 56. #33756f can be obtained by mixing 4 colors: 2 drops of magenta, 3 drops of blue, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #336666. Below you can see the block with #33756f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #33756f to the mixer and play with it.