Hex #6aa195 or rgb(106,161,149) in RGB space is the tint of greenish cian. It has hue angle of 166.91 degrees, value = 63 and saturation = 34. #6aa195 can be obtained by mixing 4 colors: 2 drops of cyan, 1 drop of green, 5 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #6aa195 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6aa195 to the mixer and play with it.