Riyad as-Salihin
Riyad as-Salihin 780
The Excellence of Wearing White Clothes and the Permissibility of Wearing Red, Green, Yellow and Black Clothes Made from Cotton and Linen but not Silk
Arabic hadith text
وعن البراء رضى الله عنه قال: كان رسول الله صلى الله عليه وسلم مربوعاً، ولقد رأيته في حلةٍ حمراء ما رأيت شيئاً قط أحسن منه.((متفق عليه))
Translation
Bara' (May Allah be pleased with him) reported
Messenger of Allah (ﷺ) was of medium stature. I saw him wearing a red mantle. I have never seen anything more graceful than that.[Al-Bukhari and Muslim].