Hex #00988a or rgb(0,152,138) in RGB space is the tint of cyan. It has hue angle of 174.47 degrees, value = 60 and saturation = 100. #00988a can be obtained by mixing 4 colors: 2 drops of blue, 3 drops of cyan, 2 drops of green, 1 drop of black.
Nearest safe hex - #009999. Below you can see the block with #00988a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #00988a to the mixer and play with it.