diff --git a/core/palettes/AutoToggle.tid b/core/palettes/AutoToggle.tid
index 84e5a8c6c..5842bc6e6 100644
--- a/core/palettes/AutoToggle.tid
+++ b/core/palettes/AutoToggle.tid
@@ -4,7 +4,6 @@ description: Automatically switch between dark and light modes
 tags: $:/tags/Palette
 type: application/x-tiddler-dictionary
 color-scheme: [{$:/info/browser/darkmode}match[no]then[light]else[dark]]
-palette-type: classic
 settings: $:/palettes/AutoToggle/Settings
 palette-import@light: $:/palettes/FlexokiLight
 palette-import@dark: $:/palettes/FlexokiDark
diff --git a/core/palettes/TwentyTwenties.tid b/core/palettes/TwentyTwenties.tid
index 29caaf7d1..e4003b67e 100644
--- a/core/palettes/TwentyTwenties.tid
+++ b/core/palettes/TwentyTwenties.tid
@@ -4,7 +4,6 @@ description: Modern and flexible
 tags: $:/tags/Palette
 type: application/x-tiddler-dictionary
 color-scheme: light
-palette-type: modern
 settings: $:/palettes/TwentyTwenties/Settings
 
 # Background and foreground colours, which are interpolated as required
diff --git a/core/palettes/TwentyTwentiesDark.tid b/core/palettes/TwentyTwentiesDark.tid
index cc6118668..304841f20 100644
--- a/core/palettes/TwentyTwentiesDark.tid
+++ b/core/palettes/TwentyTwentiesDark.tid
@@ -4,7 +4,6 @@ description: Modern and flexible, Darkish
 tags: $:/tags/Palette
 type: application/x-tiddler-dictionary
 color-scheme: dark
-palette-type: modern
 palette-import: $:/palettes/TwentyTwenties
 
 base-paper: #111122
diff --git a/core/palettes/TwentyTwentiesGreen.tid b/core/palettes/TwentyTwentiesGreen.tid
index 82ad23304..3a0b04277 100644
--- a/core/palettes/TwentyTwentiesGreen.tid
+++ b/core/palettes/TwentyTwentiesGreen.tid
@@ -4,7 +4,6 @@ description: Modern and flexible, Greenish
 tags: $:/tags/Palette
 type: application/x-tiddler-dictionary
 color-scheme: light
-palette-type: modern
 palette-import: $:/palettes/TwentyTwenties
 
 base-paper: rgb(188, 255, 161)
diff --git a/core/wiki/currpalettepreview.tid b/core/wiki/currpalettepreview.tid
index f48d66809..d2ecdee68 100644
--- a/core/wiki/currpalettepreview.tid
+++ b/core/wiki/currpalettepreview.tid
@@ -9,12 +9,12 @@ title: $:/snippets/currpalettepreview
 \end colour-inner-get-imported-palette
 
 \function colour-inner-get-palette-entry(name,tv-palette-name)
-[<name>addprefix[@]addprefix<scheme>] :map[<tv-palette-name>getindex<currentTiddler>] +[!match[]] :else[<tv-palette-name>getindex<name>] :else[function[colour-inner-get-imported-palette],<name>,<tv-palette-name>]
+[<name>addprefix[@]addprefix<scheme>] :map[<tv-palette-name>getindex<currentTiddler>] +[!match[]] :else[<tv-palette-name>getindex<name>] :map[tf.colour-inner-transform-classic-palette-entry<currentTiddler>] :else[function[colour-inner-get-imported-palette],<name>,<tv-palette-name>]
 \end colour-inner-get-palette-entry
 
 <!-- Note the join, needed to cope with palette entries containing spaces -->
 \function colour(name)
-[function[colour-inner-get-palette-entry],<name>,<tv-palette-name>] :else[[$:/config/DefaultColourMappings/]addsuffix<name>addsuffix[@]addsuffix<scheme>get[text]] :else[[$:/config/DefaultColourMappings/]addsuffix<name>get[text]] :map[subfilter<currentTiddler>join[ ]]
+[function[colour-inner-get-palette-entry],<name>,<tv-palette-name>] :else[[$:/config/DefaultColourMappings/]addsuffix<name>get[text]] :map[subfilter<currentTiddler>join[ ]]
 \end colour
 
 \function color(name)
@@ -30,42 +30,9 @@ title: $:/snippets/currpalettepreview
 </$let>
 \end colour-div-filtered
 
-\procedure colour-div-wikified(class,styleName,styleColour)
-<!-- Define our own deeply backwards compatible local versions of the colour macro -->
-\define colour(name)
-\whitespace trim
-<$transclude tiddler=<<tv-palette-name>> index="$name$@$(scheme)$">
-	<$transclude tiddler=<<tv-palette-name>> index="$name$">
-		<$let
-			prefixed-palette-import={{{ [[palette-import@]addsuffix<scheme>] }}}
-			tv-palette-name={{{ [<tv-palette-name>get<prefixed-palette-import>has[title]] :else[<tv-palette-name>get[palette-import]] }}}
-		>
-			<%if [<tv-palette-name>has[title]] %>
-				<$transclude $variable="colour" name=<<__name__>>/>
-			<%else%>
-				<$transclude tiddler="$:/config/DefaultColourMappings/$name$@$(scheme)$">
-					<$transclude tiddler="$:/config/DefaultColourMappings/$name$"/>
-				</$transclude>
-			<%endif%>
-		</$let>
-	</$transclude>
-</$transclude>
-\end colour
-\define color(name) <<colour $name$>>
-<$wikify name="colour-result" text={{{ [[<<colour ]addsuffix<styleColour>addsuffix[>>]] }}} mode="inline">
-	<div class=<<class>> style={{{ [<styleName>addsuffix[:]addsuffix<colour-result>addsuffix[;]] }}}>
-		<$slot $name="ts-raw" $depth="2"/>
-	</div>
-</$wikify>
-\end colour-div-wikified
-
 \widget $colour.div(class,styleName,styleColour)
 <%if [<styleName>!match[]] %>
-	<%if [<tv-palette-name>get[palette-type]match[modern]] %>
-		<$transclude $variable="colour-div-filtered" class=<<class>> styleName=<<styleName>> styleColour=<<styleColour>>/>
-	<%else%>
-		<$transclude $variable="colour-div-wikified" class=<<class>> styleName=<<styleName>> styleColour=<<styleColour>>/>
-	<%endif%>
+	<$transclude $variable="colour-div-filtered" class=<<class>> styleName=<<styleName>> styleColour=<<styleColour>>/>
 <%else%>
 	<div class=<<class>>>
 		<$slot $name="ts-raw"/>
diff --git a/core/wiki/macros/CSS.tid b/core/wiki/macros/CSS.tid
index 35a216798..f7c62d4eb 100644
--- a/core/wiki/macros/CSS.tid
+++ b/core/wiki/macros/CSS.tid
@@ -3,40 +3,19 @@ tags: $:/tags/Macro
 
 \procedure actions-compile-palette-filtered(consolidatedPalette,outputPalette)
 <!-- Note the join, needed to cope with palette entries containing spaces -->
-\function colour(name) [<consolidatedPalette>getindex<name>] :else[[$:/config/DefaultColourMappings/]addsuffix<name>get[text]] :map[subfilter<currentTiddler>join[ ]]
+\function colour(name) [<consolidatedPalette>getindex<name>] :else[[$:/config/DefaultColourMappings/]addsuffix<name>get[text]] :map[tf.colour-inner-transform-classic-palette-entry<currentTiddler>] :map[subfilter<currentTiddler>join[ ]]
 \function color(name) [function[colour],<name>]
 <!-- Make the colour function use the input palette -->
 <$list filter="[<consolidatedPalette>indexes[]sort[]]" variable="colour-name">
-	<$let filter-text={{{ [<consolidatedPalette>getindex<colour-name>] :else[[$:/config/DefaultColourMappings/]addsuffix<colour-name>get[text]] }}}>
+	<$let filter-text={{{ [<consolidatedPalette>getindex<colour-name>] :else[[$:/config/DefaultColourMappings/]addsuffix<colour-name>get[text]] :map[tf.colour-inner-transform-classic-palette-entry<currentTiddler>] }}}>
 		<!-- Note the join, needed to cope with palette entries containing spaces -->
 		<$action-setfield $tiddler=<<outputPalette>> $index=<<colour-name>> $value={{{ [subfilter<filter-text>join[ ]] }}}/>
 	</$let>
 </$list>
 \end actions-compile-palette-filtered
 
-\procedure actions-compile-palette-wikified(consolidatedPalette,outputPalette)
-<!-- Define our own deeply backwards compatible local versions of the colour macro -->
-\define colour(name)
-\whitespace trim
-<$transclude tiddler=<<consolidatedPalette>> index="$name$">
-	<$transclude tiddler="$:/config/DefaultColourMappings/$name$"/>
-</$transclude>
-\end colour
-\define color(name) <<colour $name$>>
-<$list filter="[<consolidatedPalette>indexes[]sort[]]" variable="colour-name" $debug="yes">
-	<$let
-		palette-entry-text={{{ [<consolidatedPalette>getindex<colour-name>] :else[[$:/config/DefaultColourMappings/]addsuffix<colour-name>get[text]] }}}
-	>
-		<$wikify name="colour-value" text=<<palette-entry-text>> mode="inline">
-			<$action-setfield $tiddler=<<outputPalette>> $index=<<colour-name>> $value=<<colour-value>>/>
-		</$wikify>
-	</$let>
-</$list>
-\end actions-compile-palette-wikified
-
-\procedure actions-compile-palette-import(inputPalette,outputPalette,exclusions:"",scheme,palette-type)
+\procedure actions-compile-palette-import(inputPalette,outputPalette,exclusions:"",scheme)
 <%if [enlist<exclusions>!match<inputPalette>count[]] :map[enlist<exclusions>count[]compare:number:eq<currentTiddler>] +[!match[]] %>
-	<%if [<inputPalette>get[palette-type]!match[]else[classic]match<palette-type>] %>
 		<$set name="exclusions" filter="[enlist<exclusions>] [<inputPalette>]">
 			<!-- Recursively import any imported palette -->
 			<$let
@@ -44,7 +23,7 @@ tags: $:/tags/Macro
 				inputPalette={{{ [<inputPalette>get<prefixed-palette-import>has[title]] :else[<inputPalette>get[palette-import]] }}}
 			>
 				<%if [<inputPalette>has[title]] %>
-					<$transclude $variable="actions-compile-palette-import" inputPalette=<<inputPalette>> outputPalette=<<outputPalette>> exclusions=<<exclusions>> scheme=<<scheme>> palette-type=<<palette-type>>/>
+					<$transclude $variable="actions-compile-palette-import" inputPalette=<<inputPalette>> outputPalette=<<outputPalette>> exclusions=<<exclusions>> scheme=<<scheme>>/>
 				<%endif%>
 			</$let>
 			<!-- Copy the suffixed palette entries with the suffix stripped -->
@@ -60,7 +39,6 @@ tags: $:/tags/Macro
 			<!-- Copy the fields from the palette -->
 			<$action-setmultiplefields $tiddler=<<outputPalette>> $fields="[<inputPalette>fields[]sort[]] -title -tags -text" $values="[<inputPalette>fields[]sort[]] -title -tags -text :map[<inputPalette>get<currentTiddler>]"/>
 		</$set>
-	<%endif%>
 <%endif%>
 \end actions-compile-palette-import
 
@@ -71,7 +49,6 @@ tags: $:/tags/Macro
 >
 	<!-- Compute the current scheme -->
 	<$let
-		palette-type={{{ [<inputPalette>get[palette-type]] :else[[classic]] }}}
 		color-scheme-filter={{{ [<inputPalette>get[color-scheme]] :else[[light]] }}}
 		scheme={{{ [subfilter<color-scheme-filter>] }}}
 	>
@@ -82,17 +59,11 @@ tags: $:/tags/Macro
 		<$action-deletetiddler $tiddler=<<outputPalette>>/>
 		<$action-setfield $tiddler=<<outputPalette>> type="application/x-tiddler-dictionary"/>
 		<!-- Consolidate the chain of palettes -->
-		<$transclude $variable="actions-compile-palette-import" inputPalette=<<inputPalette>> outputPalette=<<consolidatedPalette>> scheme=<<scheme>> palette-type=<<palette-type>>/>
+		<$transclude $variable="actions-compile-palette-import" inputPalette=<<inputPalette>> outputPalette=<<consolidatedPalette>> scheme=<<scheme>>/>
 		<!-- Save the current scheme in the output tiddler -->
 		<$action-setfield $tiddler=<<outputPalette>> $field="color-scheme" $value=<<scheme>>/>
 		<!-- Compile the temporary palette to the output palette -->
-		<%if [<inputPalette>get[palette-type]match[modern]] %>
-			<$transclude $variable="actions-compile-palette-filtered" consolidatedPalette=<<consolidatedPalette>> outputPalette=<<outputPalette>>/>
-		<%else%>
-			<$transclude $variable="actions-compile-palette-wikified" consolidatedPalette=<<consolidatedPalette>> outputPalette=<<outputPalette>>/>
-		<%endif%>
-		<!-- Remove the temporary consolidated palette -->
-		<!-- <$action-deletetiddler $tiddler=<<consolidatedPalette>>/> -->
+		<$transclude $variable="actions-compile-palette-filtered" consolidatedPalette=<<consolidatedPalette>> outputPalette=<<outputPalette>>/>
 	</$let>
 </$let>
 \end actions-compile-palette
@@ -118,6 +89,18 @@ tags: $:/tags/Macro
 [function[colour],<name>]
 \end color
 
+\procedure colour-function-prefix()
+[function[colour],[
+\end colour-function-prefix
+
+\procedure colour-function-suffix()
+]]
+\end colour-function-suffix
+
+\function tf.colour-inner-transform-classic-palette-entry(colour-result)
+[<colour-result>prefix[<<colour ]suffix[>>]removeprefix[<<colour ]removesuffix[>>]addprefix<colour-function-prefix>addsuffix<colour-function-suffix>] :else[<colour-result>]
+\end tf.colour-inner-transform-classic-palette-entry
+
 \function tf.check-colour-contrast-subfunction()
 [function[colour],<paletteEntryA>] [function[colour],<paletteEntryB>] +[colour-contrast:DeltaPhi[]fixed[3]]
 \end tf.check-colour-contrast-subfunction