Hex #477f6d or rgb(71,127,109) in RGB space is the tint of greenish cian. It has hue angle of 160.71 degrees, value = 50 and saturation = 44. #477f6d can be obtained by mixing 4 colors: 4 drops of blue, 4 drops of green, 5 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #477f6d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #477f6d to the mixer and play with it.