slightly better contrast for time bar in sing screen

Output/Themes/Ambient/Skin Green.xml

@@ -178,6 +178,18 @@
       <B>0,300</B>
       <A>1,000</A>
     </LyricSubColor>
+	<TimeBar>
+	  <R>0,800</R>
+      <G>0,950</G>
+      <B>1,000</B>
+      <A>0,500</A>
+	</TimeBar>
+	<TimeBarSentence>
+      <R>0,800</R>
+      <G>0,950</G>
+      <B>1,000</B>
+      <A>0,850</A>
+    </TimeBarSentence>
   </ColorSchemes>
   <Skins>
     <BG_Default>[Green]BG_Default.png</BG_Default>