Hex #148a7d or rgb(20,138,125) in RGB space is the tint of cyan. It has hue angle of 173.39 degrees, value = 54 and saturation = 86. #148a7d can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 3 drops of cyan, 4 drops of green.
Nearest safe hex - #009966. Below you can see the block with #148a7d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #148a7d to the mixer and play with it.