Colors, EOD's and POD's

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Across
  1. 3. mark
  2. 5. point
  3. 9. fraction
  4. 10. repetition
  5. 11. adjacent
  6. 13. hues
  7. 14. weighted
  8. 15. 2-dimensional
Down
  1. 1. 3-dimensional
  2. 2. red,yellow,blue
  3. 4. adding white
  4. 6. green,orange,purple
  5. 7. across
  6. 8. next to
  7. 12. quality
  8. 15. adding black