Do not mix red/pink and green, as the most common color blindness will be impacted. Yes--even if they are heavily contrasting shades. Imagine reading blue text with a blue background--it is a similar concept.
Ensure sufficient contrast between background and text.
Avoid photo backgrounds where possible.
Backgrounds should be one color.
Coolors is a free color palette generator that supports color blindness adjustments, along with many other tools, including palette generation from an image.
💡 GRIDBit: 1 in 12 men are colorblind. Colorblindness can happen at any point--even after birth.
Color Blindness. National Eye Institute, 2019.
Dyslexia Friendly Style Guide. British Dyslexia Association.