Hex #99a577 or rgb(153,165,119) in RGB space is the tint of lime. It has hue angle of 75.65 degrees, value = 65 and saturation = 28. #99a577 can be obtained by mixing 4 colors: 4 drops of red, 2 drops of cyan, 4 drops of green, 5 drops of white.
Nearest safe hex - #999966. Below you can see the block with #99a577 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99a577 to the mixer and play with it.