Hex #008779 or rgb(0,135,121) in RGB space is the tint of cyan. It has hue angle of 173.78 degrees, value = 53 and saturation = 100. #008779 can be obtained by mixing 4 colors: 1 drop of blue, 5 drops of cyan, 2 drops of green, 4 drops of black.
Nearest safe hex - #009966. Below you can see the block with #008779 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #008779 to the mixer and play with it.