Read, apply, check
Choose colors by testing what readers need to see, read and use.
Choose the task that fits what you are trying to understand. Each resource includes an explanation, practical examples and references. For an exercise sheet, try the questions before opening the solutions.
Use a tested text and background pair for every drink name, description and price. These 12 original pairings all exceed the WCAG 4.5:1 minimum for ordinary text on an opaque digital background. Use the calculator to check changes, then review layout, labels and the real medium before calling the whole menu accessible.
A useful color guide tells someone where a color belongs, what can sit on it and which uses still need checking. Build one page around roles, allowed pairings, practical examples and a version note. Use the editable example below to turn a palette into a record another person can apply.
Screens emit light; printed materials reflect it, with different viewing conditions and reproduction limits. Check the source profile, target process, paper and conversion workflow before changing the colors. An original RGB/CMY illustration, supplier question sheet, proof record and six explained scenarios help you distinguish a preview from the physical job you are approving.