مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3290
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from 'Ata' that He did not see anything wrong with a man entering ihram in a garment dyed with saffron that had been washed and had no dust or excess dye on it.
Musnad Ahmad 3313It is not hadeeth but this is a tradition from 'Ata']