Is Indigo really in the rainbow?

Related questions

1. Is Indigo a Colour of the rainbow?
2. What is fqt1 in indigo?
3. What color is vintage indigo?
4. What emotion is the color indigo?
5. What is special services Redc in indigo?
6. What type of dye is Indigo?
7. Is Violet darker than purple?
8. Where does the Colour Indigo come from?
9. What is the darkest shade of purple called?
10. Where does Indigo grow?

Tags

1. #still
2. #today
3. #yellow
4. #orange
5. #memorize
6. #green
7. #order
8. #violet
9. #schoolchildren
10. #primary
11. #eschews
12. #three
13. #secondary
14. #representation
15. #indigo
16. #vanished
17. #seven
18. #leaving
19. #rainbow
20. #colours
21. #pride