Hex #789191 or rgb(120,145,145) in RGB space is the tint of cyan. It has hue angle of 180.00 degrees, value = 57 and saturation = 17. #789191 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 5 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #789191 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #789191 to the mixer and play with it.