Help me pick grout colour

[Homeyhouse]

I've just found out I need to pick grout colour by tomorrow morning. After many months renovating it's one of the last decisions and I just can't seem to make these final choices.

Which grout colour for these would look nice? The large flowery tiles are for the floor in a small WC.

The pale white tiles have some pink tones in the flower pattern and will be for the kitchen wall.

Thank you🙏

https://www.porcelainsuperstore.co.uk/products/carnaby-pink-patterned-tile?variant=42781013737662&currency=GBP&tw_source=google&tw_adid=675144359703&tw_campaign=20582534067&gad_source=1&gclid=CjwKCAiAzc2tBhA6EiwArv-i6RMhR0NJmQQIWSYMjPNTxDqkBRYcYjU2KsercOBRBWH4VQocI3QHwxoCM6sQAvD_BwE

https://www.mandarinstone.com/product/eden-fleur-white-gloss-ceramic/?gad_source=1&gclid=CjwKCAiAzc2tBhA6EiwArv-i6VqoAexDYrSmIH6g3PYyJpKdL5hHluZmvXJiMGtAE0jE3E8Oj1WhQRoCzHgQAvD_BwE

I'd definitely go far a dark grout for the floor as a lighter color will just get grubby and be difficult to clean. Could you match the blue or green or maybe a dark grey?

White for the kitchen tiles

Maybe grey or dark pink for the floor tiles

I did wonder about antique ivory
https://www.mandarinstone.com/product/ardex-flex-fl-03-antique-ivory-wall-floor-grout/
Or winter white
https://www.mandarinstone.com/product/ardex-flex-fl-29-winter-white-wall-floor-grout/

So that it's an off-white colour

I was going to suggest Jasmine white.
So, yes, any version of off white!

I'm only hesitant that an off white will end up looking yellowy and discoloured.

Ahhh I'm finding decision making so tough!

I'd go off white for the cream tile and grey grout for the floor as the tile already has a coloured border and grey is easy kept on a floor.