diff --git a/colors/duckbones.vim b/colors/duckbones.vim
index b350e01..cf59d7f 100644
--- a/colors/duckbones.vim
+++ b/colors/duckbones.vim
@@ -90,6 +90,7 @@ if &background ==# 'dark'
     highlight Error guifg=#E03600 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#5A5F7B guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#EBEFC0 guibg=#004B5F guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#6B729B guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#51587A guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/forestbones.vim b/colors/forestbones.vim
index dda0140..d10a312 100644
--- a/colors/forestbones.vim
+++ b/colors/forestbones.vim
@@ -89,6 +89,7 @@ if &background ==# 'dark'
     highlight Error guifg=#E67C7F guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#6E7B85 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#E7DCC4 guibg=#4B726D guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#798B9A guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#667783 guibg=NONE guisp=NONE gui=bold cterm=bold
@@ -272,6 +273,7 @@ else
     highlight Error guifg=#F85550 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#9A9071 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#4F5B62 guibg=#9ACFF8 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#7C724D guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#A99B6A guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/kanagawabones.vim b/colors/kanagawabones.vim
index b4458dd..6fe3561 100644
--- a/colors/kanagawabones.vim
+++ b/colors/kanagawabones.vim
@@ -90,6 +90,7 @@ if &background ==# 'dark'
     highlight Error guifg=#E46A78 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#696977 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#DDD8BB guibg=#3C5965 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#7B7B8B guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#646476 guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/neobones.vim b/colors/neobones.vim
index cbe6ad1..341346c 100644
--- a/colors/neobones.vim
+++ b/colors/neobones.vim
@@ -87,6 +87,7 @@ if &background ==# 'dark'
     highlight Error guifg=#DE6E7C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#536977 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#C6D5CF guibg=#384884 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#1F3E56 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#466273 guibg=NONE guisp=NONE gui=bold cterm=bold
@@ -268,6 +269,7 @@ else
     highlight Error guifg=#A8334C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#878D88 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#202E18 guibg=#88C8F5 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#6A716B guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#8F9890 guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/nordbones.vim b/colors/nordbones.vim
index 593782b..460014e 100644
--- a/colors/nordbones.vim
+++ b/colors/nordbones.vim
@@ -90,6 +90,7 @@ if &background ==# 'dark'
     highlight Error guifg=#C1616A guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#737C90 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#EBEEF3 guibg=#567272 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#7E8CA8 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#69758C guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/rosebones.vim b/colors/rosebones.vim
index 1160192..69a8281 100644
--- a/colors/rosebones.vim
+++ b/colors/rosebones.vim
@@ -89,6 +89,7 @@ if &background ==# 'dark'
     highlight Error guifg=#EB7193 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#69657E guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#E1D4D4 guibg=#3B5155 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#7A7695 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#625D7F guibg=NONE guisp=NONE gui=bold cterm=bold
@@ -272,6 +273,7 @@ else
     highlight Error guifg=#B5637A guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#A18E72 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#724341 guibg=#81D9E9 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#877150 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#B69A6E guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/seoulbones.vim b/colors/seoulbones.vim
index 950fde9..aa44b4f 100644
--- a/colors/seoulbones.vim
+++ b/colors/seoulbones.vim
@@ -89,6 +89,7 @@ if &background ==# 'dark'
     highlight Error guifg=#E388A3 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#8B8B8B guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#DDDDDD guibg=#648BA9 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#989898 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#868686 guibg=NONE guisp=NONE gui=bold cterm=bold
@@ -276,6 +277,7 @@ else
     highlight Error guifg=#DC5284 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#868686 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#555555 guibg=#00C9F6 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#6A6A6A guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#919191 guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/tokyobones.vim b/colors/tokyobones.vim
index 499f2cc..94e5bae 100644
--- a/colors/tokyobones.vim
+++ b/colors/tokyobones.vim
@@ -89,6 +89,7 @@ if &background ==# 'dark'
     highlight Error guifg=#F77890 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#65677D guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#C0CAF5 guibg=#1A4F97 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#767892 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#5F617E guibg=NONE guisp=NONE gui=bold cterm=bold
@@ -275,6 +276,7 @@ else
     highlight Error guifg=#8B4351 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#7C7E89 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#333A57 guibg=#95ADE8 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#626573 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#888B99 guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/vimbones.vim b/colors/vimbones.vim
index 697a8bf..8c0b52a 100644
--- a/colors/vimbones.vim
+++ b/colors/vimbones.vim
@@ -90,6 +90,7 @@ if &background ==# 'light'
     highlight Error guifg=#A8334C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#8C8C7C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#353535 guibg=#8FCAF6 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#71715E guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#9A9A81 guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/zenbones.vim b/colors/zenbones.vim
index 67561dd..6b9789e 100644
--- a/colors/zenbones.vim
+++ b/colors/zenbones.vim
@@ -89,6 +89,7 @@ if &background ==# 'dark'
     highlight Error guifg=#DE6E7C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#6E6763 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#B4BDC3 guibg=#315167 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#837771 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#685F5A guibg=NONE guisp=NONE gui=bold cterm=bold
@@ -272,6 +273,7 @@ else
     highlight Error guifg=#A8334C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#948985 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#2C363C guibg=#8FCAF6 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#786D68 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#A4968F guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/zenburned.vim b/colors/zenburned.vim
index 7d861cb..6dfb85a 100644
--- a/colors/zenburned.vim
+++ b/colors/zenburned.vim
@@ -90,6 +90,7 @@ if &background ==# 'dark'
     highlight Error guifg=#E3716E guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#848484 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#F0E4CF guibg=#4F7F9F guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#939393 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#7F7F7F guibg=NONE guisp=NONE gui=bold cterm=bold
diff --git a/colors/zenwritten.vim b/colors/zenwritten.vim
index f741adb..794e81f 100644
--- a/colors/zenwritten.vim
+++ b/colors/zenwritten.vim
@@ -89,6 +89,7 @@ if &background ==# 'dark'
     highlight Error guifg=#DE6E7C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#686868 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#BBBBBB guibg=#315167 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#797979 guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#616161 guibg=NONE guisp=NONE gui=bold cterm=bold
@@ -272,6 +273,7 @@ else
     highlight Error guifg=#A8334C guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight! link DiagnosticError Error
     highlight! link ErrorMsg Error
+    highlight FlashBackdrop guifg=#8B8B8B guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FlashLabel guifg=#353535 guibg=#8FCAF6 guisp=NONE gui=NONE cterm=NONE
     highlight FloatBorder guifg=#6F6F6F guibg=NONE guisp=NONE gui=NONE cterm=NONE
     highlight FoldColumn guifg=#989898 guibg=NONE guisp=NONE gui=bold cterm=bold