If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
blue to red by way of the rainbow.
Here's a few reason not to do that. (Not to mention the possibility of colour-blind viewers.)
Thanks for the link. I recommend reading it to anyone who's interested in how data gets (mis)represented.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.