(Oh, this is one of my favourite yet absolutely pointless pastimes.)
I must respectfully disagree; kiki is brown, not red, but it’s an easy mistake to make
We're about to land in kaka territory with this one.
That's fascinating, for me kiki is yellow, and bouba is blue. But it's possible that those colors were used in the visualizations I saw when first learning about it.
Bouba is yellow. It might be a cultural thing. Yellow and cushiony but not uniform. Likea blob more than a pillow.