Robin Hollow Home2w ago
(nb, this is my own stairway to the basement playroom) I got a few $8 sample pots from my local paint store and mixed half to get the steps in between for a clean gradient.
You could also just use two colors and eyeball the measurements on either end of a 50/50 mixture. It's a real crowd pleasure at play-dates, which is the ultimate arbiter of success these days!