Sample big
Paint or place samples at least the size of a sheet of paper; tiny chips mislead.
A playful first look at colour relationships. This visualizer is for inspiration, not a promise of an exact paint match.

Paint or place samples at least the size of a sheet of paper; tiny chips mislead.
Check a wall facing the window and one beside it. Light direction changes everything.
Morning, afternoon and evening under your own bulbs, for a few days.