Hex #1c9b8e or rgb(28,155,142) in RGB space is the tint of cyan. It has hue angle of 173.86 degrees, value = 61 and saturation = 82. #1c9b8e can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of blue, 3 drops of cyan, 3 drops of green.
Nearest safe hex - #339999. Below you can see the block with #1c9b8e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c9b8e to the mixer and play with it.