Brun vs marron

🌰 Marron = brown (like the color of a chestnut)

✅ Used for:

• Objects and most things in general

une table marron
des chaussures marron
un sac marron

✅ It’s invariable — it doesn’t change in gender or number!

un pantalon marron
des jupes marron (not marronnes)

🧔 Brun = brown (more like brown hair / dark features)

✅ Mainly used for:

• Hair color
• People (especially referring to someone with dark hair or features)

Elle a les cheveux bruns.
C’est une fille brune.
Il est brun. (dark-haired guy)

⚠️ Brun does change with gender and number:

• un homme brun
• une femme brune
• des hommes bruns
• des femmes brunes

🎨 In summary:

🧠 Bonus:

If you say:

un chien brun → natural dark-brown coat
un chien marron → more of a flat brown color (less typical for describing animals, but not incorrect)