RGB Full Range (HDMI)
This setting pertains to how wide the RGB color output of your PlayStation 3 is. There are two options within this setting "Limited" or "Full." "Limited" delivers a more subdued, albeit more naturalistic, color range, while "Full" produces both brighter and richer tones on both ends of the spectrum. As a result of the "Full" spectrum, many intermediate shades get lost in the mix. On the other hand, some users may find that "Full" is better for their particular TV, however, we found that in most cases "Limited" produced the best results.
Recommended Setting: "Limited"
Y Pb/Cb Pr/Cr Super-White (HDMI)
The "Super-White" feature on the PS3 is designed to present deeper black levels and brighter whites during video playback with supported TVs. This feature only works with displays that accept Y Pb/Cb Pr/Cr signals via HDMI. If you are unsure about whether or not your display accepts Y Pb/Cb Pr/Cr via HDMI, don't fret! You can leave this feature set to "On" in any case. If your TV supports it, then you get the full benefit. If not, it has no negative impact on your picture.
Recommended Setting: "On"