Hex #77b177 or rgb(119,177,119) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 69 and saturation = 33. #77b177 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of cyan, 3 drops of white, 4 drops of black.
Nearest safe hex - #669966. Below you can see the block with #77b177 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #77b177 to the mixer and play with it.