Hex #88a788 or rgb(136,167,136) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 65 and saturation = 19. #88a788 can be obtained by mixing 4 colors: 4 drops of red, 4 drops of cyan, 3 drops of green, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #88a788 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #88a788 to the mixer and play with it.