Shouldn’t the adjective be plural to match the noun?
Most of the time, adjectives for colour descriptions do agree in number and in gender. But here "orange" doesn't because as the lesson content explains: "colours marron (brown/chestnut) and orange (orange) never change in any form, plural and/or feminine.
I hope this is helpful.
Bonne journée !
Sign in to submit your answer
Don't have an account yet? Join today
Test your French to the CEFR standard