Sunan an-Nasa'i, Volume 6, Book 48, Hadith 5184 (DarusSalam) ⓘ
It was narrated from 'Ali that : The Messenger of Allah [SAW] forbade (wearing) garments dyed with safflower, and Al-Qassiyah garments, and reciting Qur'an while he is bowing.
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ نَافِعٍ، عَنْ إِبْرَاهِيمَ بْنِ عَبْدِ اللَّهِ بْنِ حُنَيْنٍ، عَنْ بَعْضِ، مَوَالِي الْعَبَّاسِ عَنْ عَلِيٍّ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنِ الْمُعَصْفَرِ وَالثِّيَابِ الْقَسِّيَّةِ وَعَنْ أَنْ يَقْرَأَ وَهُوَ رَاكِعٌ .
also referenced under: Hadith 5181 (Reference) & Book 48, Hadith 142 (In-Book)