We did not consider yellowish or brownish discharge to be anything of significance.
أخبرنا عمرو بن زرارة قال أنبأنا إسمعيل عن أيوب عن محمد قال
كنا لا نعد الصفرة والكدرة شيئا
Bukhari narrated it in the chapter on menstruation, section on yellowish and dusky discharge outside the days of menstruation, no. 326, through the hadith of Ismail bin Ulaya, as narrated above.