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From the RNIB site:-

Techniques

  • High contrast must be provided between text and background colours. Pale blues and grey will not be easy to read on white backgrounds but dark blues, black or reds will.

    Examples of good contrast:

    Examples of good contrast

    Examples of poor contrast:

    Examples of poor contrast
  • Bold and large fonts can sometimes compensate for colour contrast that is a borderline fail using the WAI algorithm. If a piece of text is large, then the contrast may be less critical. Good judgement is required to assess this.
  • Colour blindness affects the way that certain colours differ from others. Red and green, for instance, can appear to be virtually the same to some users. Ensure that you choose colours that have a good differentiation for people with colour deficiency. You can find out more on the Vischeck website (see below under Further Information).
  • Images must also have good contrast, especially if there is text on the image. Always check that logos are high contrast and tag lines within logos are readable.

    Ensure that images do not lose definition when style sheets are disabled. This can result in text appearing transparent on an image. To prevent this, ensure there are no transparent colours around the text on the image.
  • Background images can sometimes interfere with the legibility of text. Watermarks or patterns can be problematic so where possible avoid them, or ensure they are either not behind text or that they do not interfere with its legibility.

However, because of the dark page here that does not appear as clear to me as when it was viewed on the white page of the original site.
Extremely Fluffy Fluffy Thing

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