Just in case you were wondering, here is what my Tamagotchi and the one I am babysitting and the ones I have previously babysat look like.
My Tamagotchi Connexion version 1.1
Base colour: White
Patterns: Flames
Pattern colour(s): Pink, red and yellow
Button colour: Black
Background: Numbers
Logo colour: Orange
My across-the-road-and-a-few-houses-down-neighbour's Tamagotchi Connexion version 1.0
Base colour: Purple
Patterns: Lines in a weird design and Tamagotchis connecting
Pattern colour(s): White
Button colour: Dark purple
Background: Checkerboard
Logo colour: N/A
My next door neighbour's Tamagotchi Connexion version 1.1
Base colour: Orange
Patterns: I think it was some kind of criss crossing lines with dots.
Pattern colour(s): Dark orange
Button colour: Yellow (or was it dark orange?)
Background: Numbers
Logo colour: Dark orange
My friend's Tamagotchi Connexion version 2.0
Base colour: Pink
Patterns: I can't remember
Pattern colour(s): I can't remeber either
Button colour: How much do I forget about this one?
Background: I think it was a loveheart one
Logo colour: I think it was dark pink