Phazer color code to order parts??

[snopro442]

I am looking to order the orange and black panels for the 09 Phazer RTX. they list 2 different part numbers for the color and I am not sure what ones to order, Any help would be great Thanks.

 

[cannondale27]

Here. Based on this needs to end with YO. Why they dont call it orange I dont know.
2009 PHAZER (VIVID YELLOWISH RED SOLID 4) - PZ50YO SEAT
2009 PHAZER GT (BLUISH WHITE SOLID 1) - PZ50GTYR SEAT
2009 PHAZER MTX (BLUISH WHITE SOLID 1) - PZ50MTYW SEAT
2009 PHAZER MTX (VIVID YELLOWISH RED SOLID 4) - PZ50MTYO SEAT
2009 PHAZER RTX (BLUISH WHITE SOLID 1) - PZ50RTYW SEAT
2009 PHAZER RTX (VIVID YELLOWISH RED SOLID 4) - PZ50RTYO SEAT

 

[snopro442]

Thanks for the info,