Hex #008d80 or rgb(0,141,128) in RGB space is the tint of cyan. It has hue angle of 174.47 degrees, value = 55 and saturation = 100. #008d80 can be obtained by mixing 3 colors: 4 drops of cyan, 1 drop of green, 3 drops of black.
Nearest safe hex - #009999. Below you can see the block with #008d80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #008d80 to the mixer and play with it.