Why can't Eagles wear Kelly green?

Related questions

1. What color best compliments gold?
2. How many Super Bowl rings did the Eagles give out?
3. Will Eagles wear kelly green again?
4. Are Eagles endangered?
5. Are the Eagles changing their uniforms?
6. What are Eagle colors?
7. What shade of green is the Eagles?
8. What color is close to midnight green?
9. How do I identify an eagle?
10. What Colour do you get when you mix cyan and yellow?

Tags

1. #their
2. #jeffrey
3. #safety
4. #jersey
5. #teams
6. #green
7. #concerns
8. #because
9. #during
10. #season
11. #bought
12. #different
13. #alternate
14. #change
15. #kelly
16. #decals
17. #color
18. #allowed
19. #eagles
20. #helmets