Hex #66706f or rgb(102,112,111) in RGB space is the tint of cyan. It has hue angle of 174.00 degrees, value = 44 and saturation = 9. #66706f can be obtained by mixing 4 colors: 3 drops of magenta, 2 drops of blue, 4 drops of green, 1 drop of white.
Nearest safe hex - #666666. Below you can see the block with #66706f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66706f to the mixer and play with it.