Hex #158172 or rgb(21,129,114) in RGB space is the tint of greenish cian. It has hue angle of 171.67 degrees, value = 51 and saturation = 84. #158172 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 2 drops of cyan, 4 drops of green.
Nearest safe hex - #009966. Below you can see the block with #158172 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #158172 to the mixer and play with it.