Hex #71d455 or rgb(113,212,85) in RGB space is the tint of grass green. It has hue angle of 106.77 degrees, value = 83 and saturation = 60. #71d455 can be obtained by mixing 3 colors: 1 drop of yellow, 5 drops of green, 3 drops of white.
Nearest safe hex - #66cc66. Below you can see the block with #71d455 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #71d455 to the mixer and play with it.