This might not work, it is my first editable It's not perfect..
To me, the brown one is the male or the one with more authority, and the grey one is the younger one, of the one with less responsibility.
You should find that you can colour both cats seperately. You can colour them both without alpha channel on the layer that says so.
Check 'alpha channel' fore easier colouring
Anyway - rules
1. Don't use it outside of Chicken Smoothie
2. Don't use it for profit.
3. Post it in the 'Coloured in' Oekaki Board
4. Don't use it in contests
5. Give credit to me if you use it on other CS boards, please link back
6. Lineart edits allowed
7. Don't take away my signature
Thanks for reading ^^