12. Clear blue 13. Dark blue 14. Ultramarine 15. Olive yellow
16. Ochre 17. Orange 18. Carmine 19. Carmine rose
20. Brown 21. Yellow-green 22. Green 23. Olive green
24. Black-grey 25. Grey 26. Dark violet 27. Brown-violet

As seen below, there are more colour varieties than listed above.
1926=HC1.jpg (53892 bytes)
1926=HC2.jpg (64521 bytes)
1926=HC3.jpg (67935 bytes)