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Table 6 Recommendations for colour-coded designs

From: Subjects with colour vision deficiency in the community: what do primary care physicians need to know?

No. Recommendations for colour-coded designs
1 Avoid specific colours if no redundancy is possible
2 Include redundancy, especially lightness difference, whenever possible
3 Segment areas of colour which might otherwise be confused
4 Avoid dark red or green text on a black background
5 Enhance colour conspicuity such as using white or yellow for objects which have to be seen in poor illumination or at night
6 Avoid glare
  1. Data from Birch [23].