Hex #77ad5b or rgb(119,173,91) in RGB space is the tint of grass green. It has hue angle of 99.51 degrees, value = 68 and saturation = 47. #77ad5b can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 3 drops of green, 2 drops of white.
Nearest safe hex - #669966. Below you can see the block with #77ad5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #77ad5b to the mixer and play with it.