Hex #668283 or rgb(102,130,131) in RGB space is the tint of cyan. It has hue angle of 182.07 degrees, value = 51 and saturation = 22. #668283 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 5 drops of green, 3 drops of white.
Nearest safe hex - #669999. Below you can see the block with #668283 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #668283 to the mixer and play with it.