Hex #89c869 or rgb(137,200,105) in RGB space is the tint of grass green. It has hue angle of 99.79 degrees, value = 78 and saturation = 48. #89c869 can be obtained by mixing 4 colors: 3 drops of yellow, 2 drops of blue, 4 drops of green, 4 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #89c869 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89c869 to the mixer and play with it.