Hex #149d90 or rgb(20,157,144) in RGB space is the tint of cyan. It has hue angle of 174.31 degrees, value = 62 and saturation = 87. #149d90 can be obtained by mixing 4 colors: 5 drops of blue, 3 drops of cyan, 4 drops of green, 1 drop of white.
Nearest safe hex - #009999. Below you can see the block with #149d90 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #149d90 to the mixer and play with it.