Colour spectrum in technical, are visible colours from red to violet that made up the white light. They are also the reason why rainbows are so interestingly beautiful. When they are correctly applied on the web, it too gives a pleasant look. MSNBC’s latest web header is a good example.

If your desktop wallpaper is looking a bit dull, perhaps it’s time to add a little spice, make it something more cheerful. Here’s some really Impressive Colour Spectrum and Rainbow Wallpapers we’ve found. We find it not only inspires, also brighten up the desktop. Full list after jump.

Rainbow by dardan

Rainbowfest by manicho

4 wallpapers zipped, wide/full ratios for displays up to 30"/19".

Colours of the Rainbow by mallorcaa

Rainbow Bolt Wallpaper Pack by SemanticOne

The Wack Twister by DJ-Takahashi

Rainbow by nathan

Wallpaper colorful by payalnic

Rainbow licks WP by SfinxMagnum

Colorful Desktop Candy by alsnd12

Colorful World 01 by mediablade

Rainbow by Dipschmidt

Spectrum by GRlMGOR

Radial Rainbow by skepnaden

The wallpapers comes in 1600×1200 (4:3) and 1600×9000 (16:9) resolutions.

Accidents Happens 2 by iixo

Rainbow on a Evening Shower by Almighty-Bazaa

Rainbow by dewaynesmith

To-Be-Free-Wallpaper- by silwenk

Spektra & Spektra2 by hypoxic

Specktra widescreen wallpaper pack.

Specktra 2 widescreen wallpaper pack.

Colorful by souhail88

Razor by Kamikaze00X

Available in these following sizes: 2560×1600, 1920×1440, 1680×1050, 1440×900, 1280×800

Trippy by majinshadow

Rainbow Ocean by Thelma1

Rainbow Concepts by jugga-lizzle

Agony by ciokkolata

Rainbow Wave Length

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