I have an issue I hope someone can help me with. I am generating RRDtool graphs (for Cacti monitoring templates for MySQL, which I’ll release soon) that have up to 11 different metrics on them. With that many lines or areas on a graph, it becomes very hard to pick colors that are easy to see and easy to distinguish from each other. What’s a good way to choose such colors? Is there a way to do it automatically — is there a formal method that will produce good results?
I know some color theory and I have read about how you can …[Read more...]