There are so many things around you to take color inspiration from. Anything from flower gardens to greeting cards can give you color schemes. Keep in mind that things like greeting cards, birthday paper, and packaging labels on all kinds of products are designed by professionals that deal with color every day.
One of my guilds actually did a "commercial color scheme" challenge. We each picked a "thing" from a bag and that was our color scheme for the challenge. She had fancy napkins, paper towels, greeting cards, candy wrappers, and labels from all sorts of things. There were some really gorgeous quilts produced in that challenge.