Hex #6a7f79 or rgb(106,127,121) in RGB space is the tint of greenish cian. It has hue angle of 162.86 degrees, value = 50 and saturation = 17. #6a7f79 can be obtained by mixing 4 colors: 1 drop of blue, 1 drop of green, 5 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #6a7f79 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a7f79 to the mixer and play with it.