Hex #80d640 or rgb(128,214,64) in RGB space is the tint of olive. It has hue angle of 94.40 degrees, value = 84 and saturation = 70. #80d640 can be obtained by mixing 3 colors: 1 drop of yellow, 2 drops of green, 1 drop of white.
Nearest safe hex - #99cc33. Below you can see the block with #80d640 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80d640 to the mixer and play with it.