why is the top of my passenger headlight blue/purple??

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  • 2 Post By FuzzyLogic
2004-2007 Cadillac CTS-V Appearance Mods Discussion, why is the top of my passenger headlight blue/purple?? in Cadillac CTS-V Series Forum - 2004 - 2007; ForumRunner_20120809_231505.png...
  1. #1
    Talyon's Avatar
    Talyon is offline Cadillac Owners Member
    Automobile(s): 2005 Stealth CTSV & 2004 SRX V8 AWD
    Join Date
    Aug 2010

    why is the top of my passenger headlight blue/purple??


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  3. #2
    FuzzyLogic is offline Banned
    Join Date
    Mar 2011

    Re: why is the top of my passenger headlight blue/purple??

    It's a chromatic aberration caused by the projection lens. In essence, different wavelengths of light are emitted from a lens at slightly different angles. It's how a prism separates light into its component colors, but in this case, it's happening on a very small scale. If you look closely at your picture, you can see the entire rainbow in there. Learn more:

    Dan_Gurney and Dan_Gurney like this.

  4. #3
    Dan_Gurney is offline Cadillac Owners Fanatic
    Automobile(s): 07 - CTS-V
    Join Date
    Jun 2010

    Re: why is the top of my passenger headlight blue/purple??

    ^ what he said...

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