Like just spend a while looking at "blue1" (#0000ff) and "blue2" (#0000ee) right next to each other.
Or tan1 (#ffa54f) and #eea54f.
(I don't remember the exact colours, but I tried to recreate it as good as I could from memory. Just look at these two pictures in big and see if they look like one solid colour or like two completely different ones each - probably didn't do a good job as I don't work with them daily but I hope it is good enough to communicate what I mean)

