The following are three sets of color elements that are currently popular on Web 2.0 websites:
Shiny silver [#EEEEEE]
Reddit white [#FFFFFF]
Magnolia Mag.nolia [#F9F7ED]
Interactive action yellow [#FFFF88]
Qoop Mint [#CDEB8B]
Gmail blue [#C3D9FF]
Shadows Gray [#36393D]
Mozilla Red [#FF1A00]
Rollyo Red [#CC0000]
RSS Orange [#FF7400]
Techcrunch green [#008C00]
Newsvine Green [#006E2E]
Flock Blue [#4096EE]
Flickr Pink [#FF0084]
Ruby on Rails Red [#B02B2C]
Etsy Vermillion [#D15600]
43 Things Gold [#C79810]
Writely Olive [#73880A]
Basecamp Green [#6BBA70]
Mozilla Blue [#3F4C6B]
Digg Blue [#356AA0]
Last.fm Crimson [#D01F3C]