Drafting IEC publications
Grey scale recommendations
If shading is necessary in figures, tables or text, choose grey scales carefully so as to be clearly distinguishable from each other. Avoid the use of cross-hatching to produce a grey scale effect because this causes compatibility problems between software.
RGB colour scheme values as used in the IEC Graphic Charter:
- Increasing readability by using colours
- Using text in figures - how to match text and background colours