Hex #00857d or rgb(0,133,125) in RGB space is the tint of cyan. It has hue angle of 176.39 degrees, value = 52 and saturation = 100. #00857d can be obtained by mixing 4 colors: 5 drops of blue, 5 drops of cyan, 4 drops of green, 3 drops of black.
Nearest safe hex - #009966. Below you can see the block with #00857d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #00857d to the mixer and play with it.