Hex #145b42 or rgb(20,91,66) in RGB space is the tint of greenish cian. It has hue angle of 158.87 degrees, value = 36 and saturation = 78. #145b42 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 5 drops of green, 3 drops of black.
Nearest safe hex - #006633. Below you can see the block with #145b42 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #145b42 to the mixer and play with it.