Further modifications have involved including a set of stars, multiple changes to the placement and number of stars and inclusion of an optional coat of arms at the upper-left corner.
Men hvordan agerer man som forælder, hvis ens barn bruger Yellow, som en dating-app?
"It seems to come from an oil product," said Jonathan Hénicart, president of the Sea-mer association, an NGO concerned with protecting the coasts told French TV news channel BFMTV.
"It could come from a polyurethane product commonly used for building.
App'en Yellow profilerer sig på, at skabe nye venskaber.
Brugerfladen minder dog meget om dating-app'en Tinder.