diff -r e54611453d29 -r e8e548922e31 brewpanel/sdlgui.c
--- a/brewpanel/sdlgui.c	Thu Nov 19 21:17:26 2015 +0100
+++ b/brewpanel/sdlgui.c	Thu Nov 19 22:50:17 2015 +0100
@@ -38,6 +38,8 @@
 static SDL_Rect		dlgrect, bgrect;
 static int		fontwidth, fontheight;		/* Width & height of the actual font 			*/
 TTF_Font                *pFont = NULL;			/* TTF font for buttons etc.				*/
+static Uint32		LCDbg0 = 0;			/* LCD background dark					*/
+static Uint32		LCDbg1 = 0;			/* LCD background light					*/
 
 extern int		my_shutdown;
 
@@ -251,9 +253,9 @@
     Uint32	bg;
 
     if (bLight)
-	bg = SDL_MapRGB(pSdlGuiScrn->format,156,235,  4);
+	bg = LCDbg1;
     else
-	bg = SDL_MapRGB(pSdlGuiScrn->format, 94,147, 69);
+	bg = LCDbg0;
 
     sr.x=fontwidth*(c%16);
     sr.y=fontheight*(c/16);
@@ -317,11 +319,11 @@
 {
     SDL_Rect    rect;
     int         x, y, w, h, offset, border = 4;
-    Uint32      bg0 = SDL_MapRGB(pSdlGuiScrn->format, 94,147, 69);
-    Uint32	bg1 = SDL_MapRGB(pSdlGuiScrn->format,156,235,  4);
     Uint32	bc  = SDL_MapRGB(pSdlGuiScrn->format, 32, 32, 32);
     Uint32      bg;
 
+    LCDbg0 = SDL_MapRGB(pSdlGuiScrn->format, 94,147, 69);
+    LCDbg1 = SDL_MapRGB(pSdlGuiScrn->format,156,235,  4);
     /*
      * Width and height are given in character columns and rows,
      * so calculate the display size in pixels.
@@ -345,9 +347,9 @@
     }
 
     if (bdlg[objnum].state & SG_SELECTED) {
-	bg = bg1;
+	bg = LCDbg1;
     } else {
-	bg = bg0;
+	bg = LCDbg0;
     }
 
     /* The root box should be bigger than the screen, so we disable the offset there: */