Sayyiduna Jabir (may Allah be pleased with him) said: A woman should not wear perfumed garments, but she may wear yellow-dyed ones; I do not consider safflower to be perfume (adornment).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9114
(a) Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) saw two yellow garments on Abdullah bin Ja'far (may Allah be pleased with him) while he was in ihram, and said: What are these garments? Sayyiduna Ali bin Abi Talib (may Allah be pleased with him) said: I do not think that anyone is going to teach us the Sunnah. So Sayyiduna Umar (may Allah be pleased with him) fell silent.
(b) It is narrated from Nafi' that the wives of Sayyiduna Ibn Umar (may Allah be pleased with him) used to wear safflower-dyed (yellow) garments while they were in the state of ihram.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9115
Makhul (may Allah have mercy on him) said: A woman came to the Messenger of Allah (peace and blessings be upon him) with a garment dyed yellow and said: O Messenger of Allah (peace and blessings be upon him)! I intend to perform Hajj; may I enter ihram in this? He (peace and blessings be upon him) said: "Do you have any garment other than this?" She said: No. He (peace and blessings be upon him) said: "Then enter ihram in it."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9116