Hex #447666 or rgb(68,118,102) in RGB space is the tint of greenish cian. It has hue angle of 160.80 degrees, value = 46 and saturation = 42. #447666 can be obtained by mixing 4 colors: 3 drops of blue, 3 drops of green, 4 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #447666 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #447666 to the mixer and play with it.