I would suggest www.dictionary.com
As for Saffron, It's a spice that comes from a plant and its also a yellow/gold color.
saf·fron ( P ) Pronunciation Key (sfrn)
A corm-producing plant (Crocus sativus) native to the Old World, having purple or white flowers with orange stigmas.
The dried aromatic stigmas of this plant, used to color foods and as a cooking spice and dyestuff.
A moderate or strong orange yellow to moderate orange.
If you go to this website you can also hear how to pronounce the word properly.
Hope this helps you and others.