A man wearing two red garments passed the Prophet ﷺ and gave him a greeting, but he did not respond to his greeting. (Using translation from Abū Dāʾūd 4069)
«مَرَّ عَلَى النَّبِيِّ ﷺ رَجُلٌ وَعَلَيْهِ ثَوْبَانِ أَحْمَرَانِ فَسَلَّمَ فَلَمْ يَرُدَّ عَلَيْهِ رَسُولُ اللَّهِ ﷺ»