diff --git a/core/palette-templates/TwentyTwentiesAutoDark.tid b/core/palette-templates/TwentyTwentiesAutoDark.tid
new file mode 100644
index 000000000..0acdb05b5
--- /dev/null
+++ b/core/palette-templates/TwentyTwentiesAutoDark.tid
@@ -0,0 +1,12 @@
+title: $:/palettes/TwentyTwenties/AutoDark
+name: TwentyTwenties (Automatic Darkmode)
+description: Modern and flexible, Automatically Darkish
+tags: $:/tags/Palette
+type: application/x-tiddler-dictionary
+color-scheme: dark
+palette-type: modern
+palette-import: $:/palettes/TwentyTwenties
+
+base-paper: [{$:/info/darkmode}match[yes]then[#111122]else[#FCFFF0]]
+base-background: [{$:/info/darkmode}match[yes]then[#f5f0f9]else[#875ea9]]
+base-ink: [{$:/info/darkmode}match[yes]then[#FCFFF0]else[#111122]]