I find that color has a lot of pink undertone have you actually test driven in your house with large poster boards painted 2 coats I honestly can’t see it with terracotta as for ceilings I rarely do white I like the wall color cut 50% for ceilings especially if the ceilings are high.With lower ceiling I often do the wall colr this has the illusin of making the walls feel higher.Painters like flat white they have probably a 100 gallons in stock.

We did test it on poster board and this is it on the wall. I didnt notice any pink undertones but I know it’ll also look different once fully painted. Thanks for your advice on ceilings.

What you need is to get your lighting in and I suggest LEDs in 4000K range to avoid the yellow tones that can really mess up colors. You need to paint a poster board so that you can move the sample all around the spaces you want to paint Right now that color is being changed with the wall behind it It needs to have 2 coats for sure on the poster board look at in the daytime and at night and ideally with your funiture , flooring all in place.