Hex #6da898 or rgb(109,168,152) in RGB space is the tint of greenish cian. It has hue angle of 163.73 degrees, value = 66 and saturation = 35. #6da898 can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of magenta, 3 drops of blue, 5 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #6da898 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6da898 to the mixer and play with it.