Hex #50b1a5 or rgb(80,177,165) in RGB space is the tint of cyan. It has hue angle of 172.58 degrees, value = 69 and saturation = 55. #50b1a5 can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of cyan, 4 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #50b1a5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #50b1a5 to the mixer and play with it.