The article discusses how using colours in science communication can sometimes distort data and make it hard to understand, especially for people with colour-vision deficiencies. The researchers provide a simple guide on how to use colours properly in scientific visuals. By using scientifically derived colour maps, data can be shown accurately, reducing confusion and making it easier for everyone to understand. The key message is that the scientific community needs to be more careful with how they use colours in their work to ensure accurate and accessible communication.