Setbeamercolor

\setbeamercolor{OPTION}{fg=COLOR,bg=COLOR}


fg: foreground
bg: background
 
OPTIONS:
 
abstract
abstract title
alerted text
author
author in head/foot
author in sidebar
background
background canvas
bibliography entry author
bibliography entry location
bibliography entry note
bibliography entry title
bibliography item
block body
block body alerted
block body example
block title
block title alerted
block title example
button
button border
caption
caption name
date
date in head/foot
date in sidebar
description item
enumerate item
enumerate subitem
enumerate subsubitem
example text
fine separation line
footline
framesubtitle
frametitle
frametitle right
headline
institute
institute in head/foot
institute in sidebar
item
item projected
itemize item
itemize subitem
itemize subsubitem
itemize/enumerate body
itemize/enumerate subbody
itemize/enumerate subsubbody
local structure
logo
lower separation line foot
lower separation line head
math text
math text displayed
math text inlined
middle separation line foot
middle separation line head
mini frame
navigation symbols
navigation symbols dimmed
normal text
normal text in math text
normal text in math text
page number in head/foot
palette primary
palette quaternary
palette secondary
palette sidebar primary
palette sidebar quaternary
palette sidebar secondary
palette sidebar tertiary
palette tertiary
part name
part title
qed symbol
quotation
quote
section in head/foot
section in sidebar
section in sidebar shaded
section in toc
section in toc shaded
section name
section number projected
section title
separation line
sidebar
sidebar left
sidebar right
structure
subitem
subitem projected
subsection in head/foot
subsection in sidebar
subsection in sidebar shaded
subsection in toc
subsection in toc shaded
subsection name
subsection number projected
subsection title
subsubitem
subsubitem projected
subsubsection in head/foot
subsubsection in sidebar
subsubsection in sidebar shaded
subsubsection in toc
subsubsection in toc shaded
subsubsection number projected
subtitle
title
title in head/foot
title in sidebar
titlegraphic
titlelike
upper separation line foot
upper separation line head
verse
 
 
source for the options