What does your design look like when viewed through the eyes of someone who is color blind? Not everyone can see all colors, but they do need to be able to recognize what different colors can mean on some signs, particularly safety signs and notification signs. While accommodating color blind viewers is not yet a universal requirement to assist those with this disability, many countries do require such an accommodation. This means there is a precedent for constructing design work in this way. If you are asked to design something for color blind viewers, it can be done. Here are some ways you can approach it.