Hex #148e9d or rgb(20,142,157) in RGB space is the tint of cyan. It has hue angle of 186.57 degrees, value = 62 and saturation = 87. #148e9d can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 4 drops of cyan, 3 drops of green.
Nearest safe hex - #009999. Below you can see the block with #148e9d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #148e9d to the mixer and play with it.