No there is not. >:( SO change your bloody color. No-one wants a yellow font anyway - too hard to read! Grrrr....
Space Chess Theme

I only find the yellow hard to read against a white background. When yellow is against black, or dark purple (both in my theme), I find it quite easy on the eyes.

Go to your account info page, look for the 'change my theme' link. When you are on the theme page, sort the themes by date, and mine should be on the first page. The theme is still in beta, so it is a work in progress at this point (still trying to sort out the font colors).
Hope this helps.
I created a new theme today. It is called 'Space Chess' (it's an astronomy theme) and I think for a few minutes work, it didn't come out bad. The only part I am not happy with is how the "my notes" panel displays. Because I am using a yellow link font, any links in the my notes section is almost impossible to read. Is there a setting where I can adjust the notes background color?
Otherwise, I think it came out okay. If you're interested, check it out. Comments welcome.