I was making a website for a client. The website’s main color was navy. Of course, to make it more interesting and attractive, I added some colors that would complement navy.

Client: I don’t want these other colors. Make it all navy.

I change it so that the entire website is navy, but with some slight variations in shade to distinguish elements.

Client: What’s with these shades? Make it all solid navy.

I do so.

Client: I told you to make it a solid color! Don’t try to trick me. When I stand up it looks lighter when I sit down. Make it all the same color.

Source: Clients from Hell