How do you say which is your favourite colour in welsh?

Here's how to say "which is your favourite colour" in Welsh:

P'un yw dy liw ffefryn?

Here's a breakdown:

* P'un - which

* yw - is

* dy - your

* liw - colour

* ffefryn - favourite

You can also use the more formal "Beth yw eich lliw ffefryn?" which uses the formal "eich" instead of "dy."

Let me know if you'd like to learn any other phrases in Welsh!