Hi Lily,
You could have seen WLM logo variatinos with changed colors:
* blue logo of *Wiki Loves Monuments Antarctica* 2013
<https://commons.wikimedia.org/wiki/Commons:Wiki_Loves_Monuments_2013_in_Antarctica>
https://commons.wikimedia.org/wiki/File:Wiki_Loves_Monuments_Antarctica.svg
* green logo of *Wiki takes oberes Murtal*
https://commons.wikimedia.org/wiki/File:Logo_Wiki_takes_Oberes_Murtal.svg
* yellow logo for the *Wiki Loves Monuments Potsdam-Mittelmark *
https://commons.wikimedia.org/wiki/File:Logo_Wiki_Loves_Monuments_Potsdam-M…
I guess this means that there is no problem with changing colors. Unless
you end up being mistaken for Wiki Loves Monuments Antarctica :)
Best,
Vira [[user:Ата]]