Hex #00a388 or rgb(0,163,136) in RGB space is the tint of greenish cian. It has hue angle of 170.06 degrees, value = 64 and saturation = 100. #00a388 can be obtained by mixing 4 colors: 2 drops of blue, 4 drops of cyan, 3 drops of green, 1 drop of black.
Nearest safe hex - #009999. Below you can see the block with #00a388 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #00a388 to the mixer and play with it.