diff --git a/Components/ModernColors.pas b/Components/ModernColors.pas
index e8c502ee5..1a80d18cd 100644
--- a/Components/ModernColors.pas
+++ b/Components/ModernColors.pas
@@ -16,7 +16,7 @@ interface
 
 type
   TThemeType = (ttModernLight, ttModernDark, ttClassic);
-  TThemeColor = (tcFore, tcBack, tcToolBack, tcSelBack,
+  TThemeColor = (tcFore, tcBack, tcToolBack, tcSelBack, tcSelInactiveBack,
                  tcWordAtCursorOccurrenceBack, tcSelTextOccurrenceBack,
                  tcMarginFore, tcMarginBack, tcSplitterBack, tcBraceBack, tcIdentGuideFore,
                  tcRed, tcGreen, tcBlue, tcOrange, tcPurple, tcYellow, tcTeal, tcGray);
@@ -44,6 +44,7 @@ function TTheme.FGetColor(Color: TThemeColor): TColor;
   DBack = $1F1F1F;           { VSCode Modern Dark }
   DToolBack = $413E40;       { Monokai Pro }
   DSelBack = $764F1D;        { VSCode Modern Dark }
+  DSelInactiveBack = $51504F;{ VSCode Modern Dark }
   DWACOBack = $4A4A4A;       { VSCode Modern Dark }
   DSTOBACK = $403A33;        { VSCode Modern Dark }
   DMarginFore = $716F71;     { Monokai Pro }
@@ -57,6 +58,7 @@ function TTheme.FGetColor(Color: TThemeColor): TColor;
   LBack = clWhite;
   LToolBack = clBtnFace;
   LSelBack = $FDD6A7;        { VSCode Modern Light }
+  LSelInactiveBack = $F1EBE4;{ VSCode Modern Light }
   LWACOBack = $ECECEC;       { Inno Setup 5, 4 tints lightened using color-hex.com }
   LSTOBACK = $FEEAD3;        { VSCode Modern Light }
   LMarginFore = $716F71;     { Monokai Pro }
@@ -69,6 +71,7 @@ function TTheme.FGetColor(Color: TThemeColor): TColor;
   CBack = clWhite;
   CToolBack = clBtnFace;
   CSelBack = $FDD6A7;        { VSCode Modern Light }
+  CSelInactiveBack = $F1EBE4;{ VSCode Modern Light }
   CWACOBack = $ECECEC;       { Inno Setup 5, 4 tints lightened using color-hex.com }
   CSTOBACK = $FEEAD3;        { VSCode Modern Light }
   CMarginFore = clWindowText;
@@ -99,9 +102,9 @@ function TTheme.FGetColor(Color: TThemeColor): TColor;
   CGray = $707070;           { Inno Setup 5 }
 
   Colors: array [TThemeType, TThemeColor] of TColor = (
-    (LFore, LBack, LToolBack, LSelBack, LWACOBack, LSTOBack, LMarginFore, LMarginBack, LSplitterBack, LBraceBack, LIdentGuideFore, MRed, MGreen, MBlue, MOrange, MPurple, MYellow, MTeal, MGray),
-    (DFore, DBack, DToolBack, DSelBack, DWACOBack, DSTOBack, DMarginFore, DMarginBack, DSplitterBack, DBraceBack, DIdentGuideFore, MRed, MGreen, MBlue, MOrange, MPurple, MYellow, MTeal, MGray),
-    (CFore, CBack, CToolBack, CSelBack, CWACOBack, CSTOBack, CMarginFore, CMarginBack, CSplitterBack, CBraceBack, CIdentGuideFore, CRed, CGreen, CBlue, COrange, CPurple, CYellow, CTeal, CGray)
+    (LFore, LBack, LToolBack, LSelBack, LSelInactiveBack, LWACOBack, LSTOBack, LMarginFore, LMarginBack, LSplitterBack, LBraceBack, LIdentGuideFore, MRed, MGreen, MBlue, MOrange, MPurple, MYellow, MTeal, MGray),
+    (DFore, DBack, DToolBack, DSelBack, DSelInactiveBack, DWACOBack, DSTOBack, DMarginFore, DMarginBack, DSplitterBack, DBraceBack, DIdentGuideFore, MRed, MGreen, MBlue, MOrange, MPurple, MYellow, MTeal, MGray),
+    (CFore, CBack, CToolBack, CSelBack, CSelInactiveBack, CWACOBack, CSTOBack, CMarginFore, CMarginBack, CSplitterBack, CBraceBack, CIdentGuideFore, CRed, CGreen, CBlue, COrange, CPurple, CYellow, CTeal, CGray)
   );
   
 begin
diff --git a/Projects/Src/CompScintEdit.pas b/Projects/Src/CompScintEdit.pas
index 28669b1de..d8314d2b4 100644
--- a/Projects/Src/CompScintEdit.pas
+++ b/Projects/Src/CompScintEdit.pas
@@ -290,11 +290,22 @@ procedure TCompScintEdit.UpdateThemeColorsAndStyleAttributes;
   if FTheme <> nil then begin
     Font.Color := FTheme.Colors[tcFore];
     Color := FTheme.Colors[tcBack];
-    Call(SCI_SETSELBACK, 1, FTheme.Colors[tcSelBack]);
+
+    var SelBackColor := FTheme.Colors[tcSelBack];
+    Call(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_BACK, SelBackColor);
+    Call(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_ADDITIONAL_BACK, SelBackColor);
+
+    var SelInactiveBackColor := FTheme.Colors[tcSelInactiveBack];
+    Call(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_SECONDARY_BACK, SelInactiveBackColor);
+    Call(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_INACTIVE_BACK, SelInactiveBackColor);
+    Call(SCI_SETELEMENTCOLOUR, SC_ELEMENT_SELECTION_INACTIVE_ADDITIONAL_BACK, SelInactiveBackColor);
+
     Call(SCI_INDICSETFORE, inSquiggly, FTheme.Colors[tcRed]);
     Call(SCI_INDICSETFORE, inWordAtCursorOccurrence, FTheme.Colors[tcWordAtCursorOccurrenceBack]);
     Call(SCI_INDICSETFORE, inSelTextOccurrence, FTheme.Colors[tcSelTextOccurrenceBack]);
+    
     Call(SCI_MARKERSETBACK, mmLineStep, FTheme.Colors[tcBlue]);
+    
     Call(SCI_MARKERSETFORE, SC_MARKNUM_HISTORY_REVERTED_TO_ORIGIN, FTheme.Colors[tcBlue]); { To reproduce: open a file, press enter, save, undo }
     Call(SCI_MARKERSETBACK, SC_MARKNUM_HISTORY_REVERTED_TO_ORIGIN, FTheme.Colors[tcBlue]);
     Call(SCI_MARKERSETFORE, SC_MARKNUM_HISTORY_SAVED, FTheme.Colors[tcGreen]);