Hex #158179 or rgb(21,129,121) in RGB space is the tint of cyan. It has hue angle of 175.56 degrees, value = 51 and saturation = 84. #158179 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of cyan, 2 drops of green, 4 drops of black.
Nearest safe hex - #009966. Below you can see the block with #158179 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #158179 to the mixer and play with it.