Charlie's Crossword Puzzle

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Across
  1. 3. refers to the origin of the colors we can see
  2. 7. made by mixing equal parts of one primary color and one secondary color
  3. 9. red, blue, and yellow are?
  4. 10. differ strikingly
  5. 11. a mixture of a color with white
  6. 12. the brightness or dullness of a color
Down
  1. 1. nearness in space, time, or relationship
  2. 2. a mixture with black
  3. 4. lining up text or graphics on a page
  4. 5. made by mixing 2 primary colors
  5. 6. refers to how light or dark a color is
  6. 8. a thing repeated