Update the Orb theme

Author: xyproto

Diff for: v2/themes.go

@@ -207,7 +207,7 @@ func NewOrbTheme() Theme {
 		Git:                         vt100.LightCyan,
 		String:                      "cyan",
 		Keyword:                     "lightcyan",
-		Comment:                     "white",
+		Comment:                     "gray",
 		Type:                        "lightblue",
 		Literal:                     "lightcyan",
 		Punctuation:                 "lightgray",
@@ -243,7 +243,7 @@ func NewOrbTheme() Theme {
 		QuoteColor:                  vt100.LightGreen,
 		QuoteTextColor:              vt100.White,
 		HTMLColor:                   vt100.White,
-		CommentColor:                vt100.White,
+		CommentColor:                vt100.Gray,
 		BoldColor:                   vt100.LightGreen,
 		ItalicsColor:                vt100.LightGray,
 		StrikeColor:                 vt100.White,
@@ -252,11 +252,11 @@ func NewOrbTheme() Theme {
 		XColor:                      vt100.LightGreen,
 		TableBackground:             vt100.BackgroundBlack,
 		UnmatchedParenColor:         vt100.LightRed,
-		MenuTitleColor:              vt100.Cyan,
+		MenuTitleColor:              vt100.LightGreen,
 		MenuArrowColor:              vt100.White,
-		MenuTextColor:               vt100.White,
-		MenuHighlightColor:          vt100.White,
-		MenuSelectedColor:           vt100.LightCyan,
+		MenuTextColor:               vt100.Blue,
+		MenuHighlightColor:          vt100.LightCyan,
+		MenuSelectedColor:           vt100.LightRed,
 		ManSectionColor:             vt100.LightCyan,
 		ManSynopsisColor:            vt100.LightGreen,
 		BoxTextColor:                vt100.White,