Hex #5d9193 or rgb(93,145,147) in RGB space is the tint of cyan. It has hue angle of 182.22 degrees, value = 58 and saturation = 37. #5d9193 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 3 drops of green, 3 drops of white.
Nearest safe hex - #669999. Below you can see the block with #5d9193 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d9193 to the mixer and play with it.