diff --git a/config/dot/quickshell/config/Theme.qml b/config/dot/quickshell/config/Theme.qml
index c694ead..5ef3337 100644
--- a/config/dot/quickshell/config/Theme.qml
+++ b/config/dot/quickshell/config/Theme.qml
@@ -59,15 +59,22 @@ Singleton {
     //
     // Blue is the shipped Prism -- blue leading, orchid following -- and stays
     // the default.
+    //
+    // `gnome` is the nearest member of GNOME's own accent-color enum, which is
+    // a fixed list of nine we do not get to extend. It is what libadwaita
+    // applications -- Files, Papers, Loupe -- are told to use, so choosing an
+    // accent here recolors them too instead of leaving them in GNOME blue.
+    // Nearest by hue, not by name: "rose" maps to red rather than pink because
+    // it is the red role in this palette.
     readonly property var accents: ({
-        "blue":   { dark: "#82aaff", darkSecondary: "#b172b0", light: "#2e7de9", lightSecondary: "#9854f1", label: "Prism blue" },
-        "orchid": { dark: "#c099ff", darkSecondary: "#fca7ea", light: "#7847bd", lightSecondary: "#9854f1", label: "Orchid" },
-        "teal":   { dark: "#86e1fc", darkSecondary: "#82aaff", light: "#007197", lightSecondary: "#2e7de9", label: "Teal" },
-        "green":  { dark: "#c3e88d", darkSecondary: "#86e1fc", light: "#587539", lightSecondary: "#007197", label: "Green" },
-        "amber":  { dark: "#ffc777", darkSecondary: "#ff966c", light: "#8c6c3e", lightSecondary: "#b15c00", label: "Amber" },
-        "orange": { dark: "#ff966c", darkSecondary: "#ff757f", light: "#b15c00", lightSecondary: "#c64343", label: "Orange" },
-        "rose":   { dark: "#ff757f", darkSecondary: "#c099ff", light: "#f52a65", lightSecondary: "#9854f1", label: "Rose" },
-        "slate":  { dark: "#828bb8", darkSecondary: "#82aaff", light: "#6172b0", lightSecondary: "#2e7de9", label: "Slate" }
+        "blue":   { dark: "#82aaff", darkSecondary: "#b172b0", light: "#2e7de9", lightSecondary: "#9854f1", label: "Prism blue", gnome: "blue" },
+        "orchid": { dark: "#c099ff", darkSecondary: "#fca7ea", light: "#7847bd", lightSecondary: "#9854f1", label: "Orchid", gnome: "purple" },
+        "teal":   { dark: "#86e1fc", darkSecondary: "#82aaff", light: "#007197", lightSecondary: "#2e7de9", label: "Teal", gnome: "teal" },
+        "green":  { dark: "#c3e88d", darkSecondary: "#86e1fc", light: "#587539", lightSecondary: "#007197", label: "Green", gnome: "green" },
+        "amber":  { dark: "#ffc777", darkSecondary: "#ff966c", light: "#8c6c3e", lightSecondary: "#b15c00", label: "Amber", gnome: "yellow" },
+        "orange": { dark: "#ff966c", darkSecondary: "#ff757f", light: "#b15c00", lightSecondary: "#c64343", label: "Orange", gnome: "orange" },
+        "rose":   { dark: "#ff757f", darkSecondary: "#c099ff", light: "#f52a65", lightSecondary: "#9854f1", label: "Rose", gnome: "red" },
+        "slate":  { dark: "#828bb8", darkSecondary: "#82aaff", light: "#6172b0", lightSecondary: "#2e7de9", label: "Slate", gnome: "slate" }
     })
 
     // Falls back to blue for an unknown name, so a settings file written by a
diff --git a/config/dot/quickshell/scripts/panama-theme-apps b/config/dot/quickshell/scripts/panama-theme-apps
index 47e727f..b63037d 100755
--- a/config/dot/quickshell/scripts/panama-theme-apps
+++ b/config/dot/quickshell/scripts/panama-theme-apps
@@ -204,6 +204,46 @@ for gtk_version in 3.0 4.0; do
     fi
 done
 
+# ── libadwaita accent ────────────────────────────────────────────────────────
+# Files, Papers, Loupe and every other libadwaita application read their accent
+# from the Settings portal, not from anything Panama draws, so without this they
+# render in GNOME blue no matter which accent the desktop is set to.
+#
+# GNOME's accent-color is a FIXED enum of nine names -- there is no hex here to
+# match, only a nearest member to pick -- so this maps our eight to theirs. Kept
+# in sync by hand with config/Theme.qml's `gnome` field, for the same reason
+# accent_hex() above is: there is no shared source between QML and shell.
+#
+# The portal must route Settings to the gnome backend for this to reach
+# anything; xdg-desktop-portal-gtk cannot serve accent-color at all. See
+# config/dot/xdg-desktop-portal/hyprland-portals.conf.
+gnome_accent() {
+    case "$1" in
+        orchid) printf 'purple' ;;
+        teal)   printf 'teal' ;;
+        green)  printf 'green' ;;
+        amber)  printf 'yellow' ;;
+        orange) printf 'orange' ;;
+        rose)   printf 'red' ;;
+        slate)  printf 'slate' ;;
+        *)      printf 'blue' ;;
+    esac
+}
+
+status_adwaita="skipped"
+if command -v gsettings >/dev/null 2>&1; then
+    adwaita_accent="$(gnome_accent "$accent")"
+    # Writing the same value emits no change signal, so applications already
+    # showing this accent are not asked to restyle for nothing.
+    if [[ "$(gsettings get org.gnome.desktop.interface accent-color 2>/dev/null)" == "'$adwaita_accent'" ]]; then
+        status_adwaita="unchanged"
+    elif gsettings set org.gnome.desktop.interface accent-color "$adwaita_accent" 2>/dev/null; then
+        status_adwaita="$adwaita_accent"
+    else
+        status_adwaita="failed"
+    fi
+fi
+
 kitty_dir="${XDG_CONFIG_HOME:-$HOME/.config}/kitty"
 theme_file="$kitty_dir/themes/tokyonight-moon.conf"
 [[ "$scheme" == "light" ]] && theme_file="$kitty_dir/themes/tokyonight-day.conf"
@@ -250,4 +290,5 @@ jq -cn \
     --arg btop "$status_btop" \
     --arg tmux "$status_tmux" \
     --arg hyprlock "$status_hyprlock" \
-    '{scheme: $scheme, kitty: $kitty, gtk: $gtk, btop: $btop, tmux: $tmux, hyprlock: $hyprlock}'
+    --arg adwaita "$status_adwaita" \
+    '{scheme: $scheme, kitty: $kitty, gtk: $gtk, btop: $btop, tmux: $tmux, hyprlock: $hyprlock, adwaita: $adwaita}'
diff --git a/config/dot/quickshell/services/ColorScheme.qml b/config/dot/quickshell/services/ColorScheme.qml
index 962e352..bf95585 100644
--- a/config/dot/quickshell/services/ColorScheme.qml
+++ b/config/dot/quickshell/services/ColorScheme.qml
@@ -170,13 +170,18 @@ Singleton {
                 `hl.config({ general = { col = { active_border = ${activeBorder} } } })`]);
 
             // Applications that predate org.freedesktop.appearance and carry
-            // their own palettes -- terminals, chiefly. Everything that reads
-            // the portal (GTK4, Qt6, Chromium, Electron) is already handled by
-            // the gsettings write above and needs nothing here. The accent is
-            // passed through too: kitty's border and the hyprlock fallback
-            // template are also the accent role, not just the scheme -- so
-            // this still has to run on an accent-only change, even though the
-            // scheme-relative work it also does is then redundant.
+            // their own palettes -- terminals, chiefly. Portal readers (GTK4,
+            // Qt6, Chromium, Electron) already have their SCHEME from the
+            // gsettings write above.
+            //
+            // Their ACCENT does not come from here: GNOME's accent-color is a
+            // fixed enum of nine names rather than a color, so the mapping from
+            // our eight lives in panama-theme-apps beside the other per-
+            // application translations. The accent is passed through for that,
+            // and because kitty's border and the hyprlock fallback template are
+            // the accent role too -- so this still has to run on an accent-only
+            // change, even though the scheme-relative work it also does is then
+            // redundant.
             commands.push([root.appThemePath, root.dark ? "dark" : "light", accentName]);
         }
 
diff --git a/config/dot/xdg-desktop-portal/hyprland-portals.conf b/config/dot/xdg-desktop-portal/hyprland-portals.conf
index c55f331..ed08545 100644
--- a/config/dot/xdg-desktop-portal/hyprland-portals.conf
+++ b/config/dot/xdg-desktop-portal/hyprland-portals.conf
@@ -7,7 +7,8 @@
 # Why each line:
 #   hyprland  -> Screenshot, ScreenCast, GlobalShortcuts, InputCapture
 #                (this is what makes OBS / Sunshine / Zoom screen sharing work)
-#   gtk       -> FileChooser, Settings, Notification, Print, Access
+#   gtk       -> FileChooser, Notification, Print, Access, and Settings as
+#                the fallback behind gnome (see below)
 #                Settings is load-bearing: xdg-desktop-portal-gtk reads
 #                gsettings' org.gnome.desktop.interface and serves
 #                org.freedesktop.appearance, which is how libadwaita apps know
@@ -25,7 +26,17 @@
 #                any Flatpak app's own "run/start on login" toggle silently
 #                fails (Bitwarden logged this on every launch).
 #
-# xdg-desktop-portal-gnome stays installed and is now used for one interface
+#   Settings  -> gnome FIRST, gtk behind it. The frontend merges Settings
+#                backends in order, so this is additive rather than a swap.
+#                It has to be this way round because xdg-desktop-portal-gtk
+#                cannot serve org.freedesktop.appearance accent-color at all --
+#                the string does not appear in the 1.15.3 binary -- so
+#                libadwaita applications rendered in GNOME blue no matter what
+#                accent this desktop was set to. The gnome backend serves it,
+#                and gtk staying listed means color-scheme still resolves if
+#                the gnome backend is ever unavailable.
+#
+# xdg-desktop-portal-gnome stays installed and is now used for two interfaces
 # here; it is still the default handler for the GNOME session.
 # ─────────────────────────────────────────────────────────────────────────────
 
@@ -35,3 +46,4 @@ org.freedesktop.impl.portal.Screenshot=hyprland
 org.freedesktop.impl.portal.ScreenCast=hyprland
 org.freedesktop.impl.portal.Secret=gnome-keyring
 org.freedesktop.impl.portal.Background=gnome
+org.freedesktop.impl.portal.Settings=gnome;gtk
diff --git a/tests/quickshell/adwaita-accent-contract.sh b/tests/quickshell/adwaita-accent-contract.sh
new file mode 100755
index 0000000..1192f90
--- /dev/null
+++ b/tests/quickshell/adwaita-accent-contract.sh
@@ -0,0 +1,115 @@
+#!/usr/bin/env bash
+
+# Choosing an accent must recolor libadwaita applications too.
+#
+# Files, Papers and Loupe read their accent from the Settings portal, so an
+# accent that never reaches GNOME's accent-color key leaves half the desktop in
+# GNOME blue while the other half wears the chosen color. That is invisible from
+# inside Panama's own surfaces, which look correct either way.
+#
+# Three things have to line up, and none of them share a source:
+#   - config/Theme.qml carries the accent table with its `gnome` member
+#   - scripts/panama-theme-apps maps the same names in shell
+#   - the portal routes Settings to a backend that can serve accent-color
+#
+# Read-only apart from a gsettings *read*; it never sets an accent.
+
+set -uo pipefail
+
+repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+theme="$repo_dir/config/dot/quickshell/config/Theme.qml"
+script="$repo_dir/config/dot/quickshell/scripts/panama-theme-apps"
+portals="$repo_dir/config/dot/xdg-desktop-portal/hyprland-portals.conf"
+
+fail() {
+    printf 'adwaita accent contract: %s\n' "$1" >&2
+    exit 1
+}
+
+for path in "$theme" "$script" "$portals"; do
+    [[ -r "$path" ]] || fail "missing $path"
+done
+
+# ── The accent table ─────────────────────────────────────────────────────────
+mapping="$(python3 - "$theme" <<'PYTHON'
+import re, sys
+source = open(sys.argv[1]).read()
+table = re.search(r"readonly property var accents: \(\{(.*?)\n    \}\)", source, re.S)
+if not table:
+    raise SystemExit("accents table not found")
+for line in table.group(1).splitlines():
+    name = re.search(r'"([a-z]+)":', line)
+    if not name:
+        continue
+    member = re.search(r'gnome: "([a-z]+)"', line)
+    print(name.group(1) + "\t" + (member.group(1) if member else ""))
+PYTHON
+)" || fail 'could not read the accent table from Theme.qml'
+
+[[ -n "$mapping" ]] || fail 'the accent table is empty'
+
+while IFS=$'\t' read -r name member; do
+    [[ -n "$name" ]] || continue
+    [[ -n "$member" ]] \
+        || fail "the \"$name\" accent has no gnome member, so libadwaita applications keep the previous accent when it is chosen"
+done <<<"$mapping"
+
+# ── Every member must exist in GNOME's enum ──────────────────────────────────
+# The enum is read from the system rather than hardcoded here: a hardcoded copy
+# would still pass on a machine whose GNOME dropped or renamed a member, which
+# is the case where gsettings silently refuses the write.
+if command -v gsettings >/dev/null 2>&1; then
+    enum="$(gsettings range org.gnome.desktop.interface accent-color 2>/dev/null | tail -n +2 | tr -d "'")"
+    if [[ -n "$enum" ]]; then
+        while IFS=$'\t' read -r name member; do
+            [[ -n "$member" ]] || continue
+            grep -qx "$member" <<<"$enum" \
+                || fail "the \"$name\" accent maps to \"$member\", which GNOME's accent-color enum does not publish"
+        done <<<"$mapping"
+    fi
+fi
+
+# ── The shell helper must agree with the table ───────────────────────────────
+# panama-theme-apps carries its own copy of this mapping because a shell script
+# cannot read a QML object. A copy that drifts is exactly how an accent ends up
+# correct in Panama's own surfaces and wrong everywhere else.
+shell_member() {
+    local name="$1" body
+    body="$(sed -n '/^gnome_accent() {/,/^}/p' "$script")"
+    [[ -n "$body" ]] || fail 'gnome_accent() is missing from panama-theme-apps'
+    local line
+    line="$(grep -E "^\s+${name}\)" <<<"$body" | head -1)"
+    if [[ -z "$line" ]]; then
+        # Not listed means it falls through to the default branch.
+        line="$(grep -E '^\s+\*\)' <<<"$body" | head -1)"
+    fi
+    sed -E "s/.*printf '([a-z]+)'.*/\1/" <<<"$line"
+}
+
+while IFS=$'\t' read -r name member; do
+    [[ -n "$name" ]] || continue
+    actual="$(shell_member "$name")"
+    [[ "$actual" == "$member" ]] \
+        || fail "Theme.qml maps \"$name\" to \"$member\" but panama-theme-apps maps it to \"$actual\""
+done <<<"$mapping"
+
+# The helper also validates the accent name it is handed; an accent the table
+# knows but the helper rejects silently degrades to blue.
+accepted="$(grep -oE '^\s+blue\|[a-z|]+\)' "$script" | head -1 | tr -d ' )' )"
+while IFS=$'\t' read -r name member; do
+    [[ -n "$name" ]] || continue
+    grep -qE "(^|\|)$name(\||$)" <<<"$accepted" \
+        || fail "panama-theme-apps does not accept the \"$name\" accent, so choosing it falls back to blue"
+done <<<"$mapping"
+
+# ── The portal has to be able to serve it ────────────────────────────────────
+# xdg-desktop-portal-gtk cannot serve accent-color, so routing Settings to gtk
+# alone makes every mapping above inert -- correct on paper, invisible in use.
+settings_line="$(grep -E '^org\.freedesktop\.impl\.portal\.Settings=' "$portals")" \
+    || fail 'the portal config does not route Settings at all, so accent-color has no backend'
+[[ "$settings_line" == *gnome* ]] \
+    || fail "Settings is routed to \"${settings_line#*=}\", and only the gnome backend serves accent-color"
+[[ "${settings_line#*=}" == gnome* ]] \
+    || fail "the gnome backend must come first in \"${settings_line#*=}\" or gtk answers Settings and accent-color is never published"
+
+printf 'adwaita accent contract: PASS (%d accents mapped)\n' "$(grep -c . <<<"$mapping")"