10 slightly different shades of green.
(According to wikipedia: http://en.wikipedia.org/wiki/Category:Shades_of_green Also note that these are not going to be exact, but only the general idea.)
Kelly green is a shade of green that is popular in Ireland and among most Irish-Americans as well as most people of Irish ancestry wherever they reside.
The name kelly green for the color originated in Ireland. The name derives from the fact that the surname Kelly, as well as the color green, are both popular in Ireland. The first recorded use of the term kelly green as a color name in English was in 1935.
Asparagus is a tone of green that is named after the vegetable. Crayola created this color in 1993 as one of the 16 to be named in the Name The Color Contest.
Shamrock green is the color of green used in the flag