I used colored paper for my home use. I print out my cards on card stock and sent in the mail to friends or give them to special people. I get lots of complaints on the cards and how lovely they look. They like to what is printed on them.. I have a card making software on my computer. they are many different designs I can print out. I also type out a verse and put it inside the card that I make. It is fun to get different verses that will help you put them in words and than print them out on the colored paper.
I'm always pleased with Staples brand copy papers. We use different colors for the various inserts we put in our church bulletin to get folks' attention and distinguish one insert from another. We like to use cream to look elegant like for the flyer for our Handmaidens' Tea.