Sony unveiled four new bright color versions of the Sony PSP-3000 in Japan.
The new Vibrant Blue (PSP-3000 VB), Radiant Red (PSP-3000 RR), Bright Yellow (PSP-3000 BY) and Spirited Green (PSP-3000 SG) will launch in Japan in March 2009. Whether or not Sony will release these funky colored PSP consoles outside of Japan is not yet known.

Concurrently with the release of these new color variations of the PSP, PSP CARNIVAL COLORS Value Pack, comprising a PSP in newly introduced color and accessories including a 4GB Memory Stick PRO Duo (Mark2), an original PSP pouch, a wrist strap and a cloth, will become available in the Japanese market at a RRP of 24,800 yen.
Additionally, Battery Pack (2200mAh), comprising a battery pack (2200mAh) and a battery cover in newly introduced color as well as PSP Pouch in four CARNIVAL COLORS will also become available for Japan at a RRP of 5,500 yen and 1,800 yen respectively on the same day. This extremely attractive PSP CARNIVAL COLORS Value Pack and Battery Pack (2200mAh) are offered for limited quantities.

The Sony PSP in Vibrant Blue and Radiant Red will become available on March 5th, 2009, and Bright Yellow and Spirited Green on March 19th, 2009, all at a recommended retail price (RRP) of 19,800 yen (including tax).
Via this Sony announcement.