- Text
- easy reading (size, color)
- foreground/background contrast this is low contrast!
- colors must differ for more than a single RGB component
- small fontsize blue is difficult to read this is a small fontsize blue text!!
- long uppercase or italic text is difficult to read
- font must be chosen among the most readable
- fontsize must be relative
- not many different fonts in the same page
- different fonts or fontsize must be meaningful
