Hex #609f8a or rgb(96,159,138) in RGB space is the tint of greenish cian. It has hue angle of 160.00 degrees, value = 62 and saturation = 40. #609f8a can be obtained by mixing 4 colors: 2 drops of blue, 2 drops of green, 3 drops of white, 1 drop of black.
Nearest safe hex - #669999. Below you can see the block with #609f8a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #609f8a to the mixer and play with it.