Hex #87ad78 or rgb(135,173,120) in RGB space is the tint of grass green. It has hue angle of 103.02 degrees, value = 68 and saturation = 31. #87ad78 can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of cyan, 5 drops of white, 5 drops of black.
Nearest safe hex - #999966. Below you can see the block with #87ad78 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #87ad78 to the mixer and play with it.