Hex #1a8a80 or rgb(26,138,128) in RGB space is the tint of cyan. It has hue angle of 174.64 degrees, value = 54 and saturation = 81. #1a8a80 can be obtained by mixing 4 colors: 4 drops of cyan, 1 drop of green, 1 drop of white, 4 drops of black.
Nearest safe hex - #339999. Below you can see the block with #1a8a80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a8a80 to the mixer and play with it.