Daniel,
What version of emacs are you on?
color-theme is a very old style of setting themes. I believe load-theme will not work for color themes.
Check out this recent answer on emacs.SE for more detail: http://emacs.stackexchange.com/a/13825/115
--
Kaushal Modi
> Am 09.07.2015 um 04:45 schrieb Samuel W. Flint <swflint@flintfam.org>:
>
> Daniel Hertrich <daniel@daniel-hertrich.photo> writes:
>
>> Hi guys,
>>
>> quick question, as I don’t really see any root cause for this:
>> Whenever I try to load a color theme directly from .emacs using
>> load-theme, e.g.
>>
>> (load-theme 'cyberpunk)
>
> Try ~(load-theme 'cyberpunk t nil)~. That should work.
Unfortunately it doesn’t. It has the same effect as without the „t nil“, background color is not applied.
Daniel