Hex #144942 or rgb(20,73,66) in RGB space is the tint of greenish cian. It has hue angle of 172.08 degrees, value = 29 and saturation = 73. #144942 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 2 drops of green, 5 drops of black.
Nearest safe hex - #003333. Below you can see the block with #144942 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #144942 to the mixer and play with it.