Hex #6d7f7a or rgb(109,127,122) in RGB space is the tint of greenish cian. It has hue angle of 163.33 degrees, value = 50 and saturation = 14. #6d7f7a can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of blue, 2 drops of white, 2 drops of black.
Nearest safe hex - #666666. Below you can see the block with #6d7f7a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d7f7a to the mixer and play with it.