Hi there Maz95626 and welcome to the Q&A Board!
Is this what you mean by "red, red, red" (saturated as in these examples:
http://www.steves-digicams.com/2004_reviews/fuji_s5100_samples.html)?
If so, not every digital camera model renders colors in the same exact fashion. There are even differences (some substantial) within brands. Just like film (Velvia vs Provia for example) they have different color gamuts. Some models are more color neutral, others are more saturated, and others may be hotter in some colors than in others. If you'd like to preview color comparisons,
www.stevesdigicam.com does an excellent job of test driving cameras and compiling detailed product reviews. You can see what I mean by looking at and comparing the photo samples there from several different cameras.
Also, some cameras have more than one color profile from which to choose. This allows the user to choose the gamut more suitable to her/his needs and preference. For instance, if you shoot predominantly vegetated landscapes, you might like a more Fujifilm-like gamut. If you shoot portraits, you might prefer a lesser saturated profile. Me, I like my profile very neutral so I go with that type of gamut.
In the meantime, you may try reducing the saturation on your camera though that will reduce saturation in all colors. Or, you can post-process edit and reduce saturation in that specific color range.
