A common inaccessible excel practice is to highlight rows of data with background colors to convey a specific meaning for that information. However, using color as the only way to convey meaning leaves out the blind, colorblind, and deafblind communities. You should instead add a column with the data you are trying to convey, such as a priority column with values of High, Medium, and Low, rather than using color to convey that meaning. You can use color along with text, but keep in mind the following: over saturated yellows and reds can create a vibration effect for folks with reading glasses, vestibular disorders, and the neurodivergent community; and you should always test background colors with the WebAIM Contrast Checker so you do not create readability issues for the color blind and low vision communities.