adjective
yellow
A1
'Gelb' means 'yellow'. It's a regular, gradable adjective: comparative 'gelber', superlative 'am gelbsten' meaning 'more yellow'. It inflects for gender, case and number (die gelbe Blume). Used attributively or predicatively; color adjective, no irregularities.
Examples
Der Bus ist gelb.
The bus is yellow.
Die Hausverwaltung strich die Empfangshalle gelb, weil sie freundlicher aussehen sollte.
The building management painted the reception hall yellow because it should look friendlier.
Details
Mnemonics
Picture a bright yellow sun or banana — color 'gelb' is that shade
gelb sounds like 'gel' with a b — imagine yellow gel