Hex #55b0b0 or rgb(85,176,176) in RGB space is the tint of cyan. It has hue angle of 180.00 degrees, value = 69 and saturation = 52. #55b0b0 can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of cyan, 3 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #55b0b0 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b0b0 to the mixer and play with it.