Hex #6a8179 or rgb(106,129,121) in RGB space is the tint of greenish cian. It has hue angle of 159.13 degrees, value = 51 and saturation = 18. #6a8179 can be obtained by mixing 4 colors: 4 drops of red, 1 drop of magenta, 5 drops of cyan, 2 drops of green.
Nearest safe hex - #669966. Below you can see the block with #6a8179 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a8179 to the mixer and play with it.