Hex #1aa399 or rgb(26,163,153) in RGB space is the tint of cyan. It has hue angle of 175.62 degrees, value = 64 and saturation = 84. #1aa399 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of blue, 4 drops of cyan, 3 drops of green.
Nearest safe hex - #339999. Below you can see the block with #1aa399 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1aa399 to the mixer and play with it.