Sometimes this gets called ‘the isolation effect’: things stick with us if they stand out from the crowd. In a barrel of mostly green apples, you’ll spot and remember the red one.
How do you use it?
Embrace the unusual. It always feels safe to stay true to ‘industry norms’, but if you want people to remember you, try to find your own way.
Where can you learn more about it?
Start with the OG and Google Hedwig Von Restorff: her 1933 study was the first investigation into the effect.