Hex #89afb1 or rgb(137,175,177) in RGB space is the tint of cyan. It has hue angle of 183.00 degrees, value = 69 and saturation = 23. #89afb1 can be obtained by mixing 4 colors: 3 drops of magenta, 3 drops of cyan, 3 drops of green, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #89afb1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89afb1 to the mixer and play with it.