Hex #1c9a8e or rgb(28,154,142) in RGB space is the tint of cyan. It has hue angle of 174.29 degrees, value = 60 and saturation = 82. #1c9a8e can be obtained by mixing 4 colors: 4 drops of cyan, 1 drop of green, 1 drop of white, 3 drops of black.
Nearest safe hex - #339999. Below you can see the block with #1c9a8e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c9a8e to the mixer and play with it.