Hex #00908c or rgb(0,144,140) in RGB space is the tint of cyan. It has hue angle of 178.33 degrees, value = 56 and saturation = 100. #00908c can be obtained by mixing 4 colors: 4 drops of blue, 5 drops of cyan, 3 drops of green, 2 drops of black.
Nearest safe hex - #009999. Below you can see the block with #00908c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #00908c to the mixer and play with it.