diff --git a/lh-presentation/beamercolorthemelh-core-inverse.sty b/lh-presentation/beamercolorthemelh-core-inverse.sty
index 158a0f8..164acd8 100644
--- a/lh-presentation/beamercolorthemelh-core-inverse.sty
+++ b/lh-presentation/beamercolorthemelh-core-inverse.sty
@@ -13,13 +13,13 @@
      [2016/11/01 v0.0  LaTeX presentation class implementing the cooperate design of LogicalHacking.com]
 
 \mode<presentation>
-  \setbeamercolor{background canvas}{bg=black,fg=white}
+  \setbeamercolor{background canvas}{bg=lhBlack,fg=lhWhite}
   \setbeamercolor{footer}{bg=lhDarkGray, fg=lhLightGray}
-  \setbeamercolor{normal text}{fg=white}
-  \setbeamercolor*{palette primary}{fg=white, bg=lhDarkGray}
-  \setbeamercolor*{palette secondary}{bg=white,fg=lhDarkGray}
-  \setbeamercolor*{palette tertiary}{bg=white,fg=lhLightGray}
-  \setbeamercolor*{palette quaternary}{bg=white,fg=black}
+  \setbeamercolor{normal text}{fg=lhWhite}
+  \setbeamercolor*{palette primary}{fg=lhWhite, bg=lhDarkGray}
+  \setbeamercolor*{palette secondary}{bg=lhWhite,fg=lhDarkGray}
+  \setbeamercolor*{palette tertiary}{bg=lhWhite,fg=lhLightGray}
+  \setbeamercolor*{palette quaternary}{bg=lhWhite,fg=lhBlack}
 
   \setbeamercolor{subitem}{parent=item, fg=lhDarkGray}
   \setbeamercolor{subsubitem}{parent=subitem,fg=lhLightGray}
diff --git a/lh-presentation/beamercolorthemelh-core.sty b/lh-presentation/beamercolorthemelh-core.sty
index a67f0dc..c2ddb9f 100644
--- a/lh-presentation/beamercolorthemelh-core.sty
+++ b/lh-presentation/beamercolorthemelh-core.sty
@@ -13,26 +13,28 @@
      [2016/11/01 v0.0  LaTeX presentation class implementing the cooperate design of LogicalHacking.com]
 
 \mode<presentation>
+  
+  \setbeamercolor{background canvas}{fg=lhBlack,bg=lhWhite}
 
   \setbeamercolor{structure}{fg=lhOrange}
-  \setbeamercolor{footer}{fg=white, bg=lhDarkGray}
+  \setbeamercolor{footer}{fg=lhWhite, bg=lhDarkGray}
   \setbeamercolor{part title}{parent=footer}
   
   \setbeamercolor{alerted text}{fg=lhOrange}
   
-  \setbeamercolor{title}{fg=white}
-  \setbeamercolor{subtitle}{fg=white}
-  \setbeamercolor{author}{fg=white}
-  \setbeamercolor{institute}{fg=white}
-  \setbeamercolor{date}{fg=white}
-  % \setbeamercolor{titleframe}{fg=black,bg=white}
-  \setbeamercolor{titleframe}{bg=black}
-  \setbeamercolor{titlerule}{bg=lhOrange,fg=white}
+  \setbeamercolor{title}{fg=lhWhite}
+  \setbeamercolor{subtitle}{fg=lhWhite}
+  \setbeamercolor{author}{fg=lhWhite}
+  \setbeamercolor{institute}{fg=lhWhite}
+  \setbeamercolor{date}{fg=lhWhite}
+  % \setbeamercolor{titleframe}{fg=lhBlack,bg=lhWhite}
+  \setbeamercolor{titleframe}{bg=lhBlack}
+  \setbeamercolor{titlerule}{bg=lhOrange,fg=lhWhite}
 
-  \setbeamercolor*{palette primary}{fg=lhDarkGray,bg=white}
-  \setbeamercolor*{palette secondary}{fg=white,bg=lhDarkGray}
-  \setbeamercolor*{palette tertiary}{fg=white,bg=lhLightGray}
-  \setbeamercolor*{palette quaternary}{fg=white,bg=black}
+  \setbeamercolor*{palette primary}{fg=lhDarkGray,bg=lhWhite}
+  \setbeamercolor*{palette secondary}{fg=lhWhite,bg=lhDarkGray}
+  \setbeamercolor*{palette tertiary}{fg=lhWhite,bg=lhLightGray}
+  \setbeamercolor*{palette quaternary}{fg=lhWhite,bg=lhBlack}
 
   \setbeamercolor{titlelike}{parent=palette primary}
   
@@ -40,9 +42,9 @@
   \setbeamercolor*{fine separation line}{}
 
   \setbeamercolor{block title}{use=structure,fg=lhOrange,bg=lhLightGray}
-  \setbeamercolor{block title alerted}{use=alerted text,fg=white,bg=lhOrange}
-  \setbeamercolor{block title example}{use=example text,fg=white,bg=lhDarkGray}
-  \setbeamercolor{block title example}{use=example text,fg=white,bg=lhDarkGray}
+  \setbeamercolor{block title alerted}{use=alerted text,fg=lhWhite,bg=lhOrange}
+  \setbeamercolor{block title example}{use=example text,fg=lhWhite,bg=lhDarkGray}
+  \setbeamercolor{block title example}{use=example text,fg=lhWhite,bg=lhDarkGray}
 
   \setbeamercolor{block body}{parent=normal text,use=block title,bg=block title.bg!10!bg}
   \setbeamercolor{block body alerted}{parent=normal text,use=block title alerted,bg=block title alerted.bg!10!bg}
diff --git a/lh-presentation/beamercolorthemelh-titledark.sty b/lh-presentation/beamercolorthemelh-titledark.sty
index 8350a17..caf9cf1 100644
--- a/lh-presentation/beamercolorthemelh-titledark.sty
+++ b/lh-presentation/beamercolorthemelh-titledark.sty
@@ -14,12 +14,12 @@
 
 \mode<presentation>
 
-  \setbeamercolor{title}{fg=black}
+  \setbeamercolor{title}{fg=lhBlack}
   \setbeamercolor{subtitle}{fg=lhDarkGray}
-  \setbeamercolor{author}{fg=black}
-  \setbeamercolor{institute}{fg=black}
-  \setbeamercolor{date}{fg=black}
-  \setbeamercolor{titleframe}{fg=lhOrange,bg=white}
+  \setbeamercolor{author}{fg=lhBlack}
+  \setbeamercolor{institute}{fg=lhBlack}
+  \setbeamercolor{date}{fg=lhBlack}
+  \setbeamercolor{titleframe}{fg=lhOrange,bg=lhWhite}
   
 \mode
 <all>
diff --git a/lh-presentation/beamercolorthemelh-titlelight.sty b/lh-presentation/beamercolorthemelh-titlelight.sty
index 293b58a..e007e39 100644
--- a/lh-presentation/beamercolorthemelh-titlelight.sty
+++ b/lh-presentation/beamercolorthemelh-titlelight.sty
@@ -14,12 +14,12 @@
 
 \mode<presentation>
 
-  \setbeamercolor{title}{fg=white}
-  \setbeamercolor{subtitle}{fg=white}
-  \setbeamercolor{author}{fg=white}
-  \setbeamercolor{institute}{fg=white}
-  \setbeamercolor{date}{fg=white}
-  \setbeamercolor{titleframe}{bg=black}
+  \setbeamercolor{title}{fg=lhWhite}
+  \setbeamercolor{subtitle}{fg=lhWhite}
+  \setbeamercolor{author}{fg=lhWhite}
+  \setbeamercolor{institute}{fg=lhWhite}
+  \setbeamercolor{date}{fg=lhWhite}
+  \setbeamercolor{titleframe}{bg=lhBlack}
   
 \mode
 <all>
diff --git a/lh-presentation/beamerinnerthemelh.sty b/lh-presentation/beamerinnerthemelh.sty
index 6c4358b..dcfe39a 100644
--- a/lh-presentation/beamerinnerthemelh.sty
+++ b/lh-presentation/beamerinnerthemelh.sty
@@ -107,10 +107,10 @@
     \end{beamercolorbox}
   \end{beamercolorbox}
   \vspace{2mm}
-  \begin{beamercolorbox}[ht=\@tempdimb,wd=\@tempdima,ignorebg]{white}
+  \begin{beamercolorbox}[ht=\@tempdimb,wd=\@tempdima,ignorebg]{lhWhite}
   \end{beamercolorbox}
     \vspace{1mm}
-  \begin{beamercolorbox}[wd=\@tempdima,ignorebg]{white}
+  \begin{beamercolorbox}[wd=\@tempdima,ignorebg]{lhWhite}
     \ifthenelse{\boolean{lh@title@light}}{%
       \raisebox{-\fboxsep}{{\setlength{\fboxsep}{0pt}\lhcomLogoLight[width=42mm]}}%
     }{%
diff --git a/lh-presentation/beamerouterthemelh.sty b/lh-presentation/beamerouterthemelh.sty
index cb01cfd..5862f52 100644
--- a/lh-presentation/beamerouterthemelh.sty
+++ b/lh-presentation/beamerouterthemelh.sty
@@ -86,7 +86,7 @@
       \vskip-1em%
       \vfill%
     }%
-    \centerline{\color{lhDarkGray}% black}% lhDarkGray}%
+    \centerline{\color{lhDarkGray}% lhBlack}% lhDarkGray}%
     \parbox{\@tempdima}{\rule{\textwidth}{.3pt}}}    
   }