Hex #6aa38e or rgb(106,163,142) in RGB space is the tint of greenish cian. It has hue angle of 157.89 degrees, value = 64 and saturation = 35. #6aa38e can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of blue, 4 drops of green, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6aa38e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6aa38e to the mixer and play with it.