Hex #77b066 or rgb(119,176,102) in RGB space is the tint of grass green. It has hue angle of 106.22 degrees, value = 69 and saturation = 42. #77b066 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of cyan, 2 drops of white, 4 drops of black.
Nearest safe hex - #669966. Below you can see the block with #77b066 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #77b066 to the mixer and play with it.