diff --git a/proto/anki/frontend.proto b/proto/anki/frontend.proto
index 5385da051..1f3e7b6b3 100644
--- a/proto/anki/frontend.proto
+++ b/proto/anki/frontend.proto
@@ -31,6 +31,10 @@ service FrontendService {
 
   // Editor
   rpc editorUpdateNote(notes.UpdateNotesRequest) returns (generic.Empty);
+
+  // Profile config
+  rpc GetProfileConfigJson(generic.String) returns (generic.Json);
+  rpc SetProfileConfigJson(SetProfileConfigJsonRequest) returns (generic.Empty);
 }
 
 service BackendFrontendService {}
@@ -44,3 +48,8 @@ message SetSchedulingStatesRequest {
   string key = 1;
   scheduler.SchedulingStates states = 2;
 }
+
+message SetProfileConfigJsonRequest {
+  string key = 1;
+  bytes value_json = 2;
+}
diff --git a/qt/aqt/editor.py b/qt/aqt/editor.py
index b3b647a8b..b35d11a90 100644
--- a/qt/aqt/editor.py
+++ b/qt/aqt/editor.py
@@ -457,16 +457,6 @@ require("anki/ui").loaded.then(() => require("anki/NoteEditor").instances[0].too
 
             return new_state
 
-        elif cmd.startswith("lastTextColor"):
-            (_, textColor) = cmd.split(":", 1)
-            assert self.mw.pm.profile is not None
-            self.mw.pm.profile["lastTextColor"] = textColor
-
-        elif cmd.startswith("lastHighlightColor"):
-            (_, highlightColor) = cmd.split(":", 1)
-            assert self.mw.pm.profile is not None
-            self.mw.pm.profile["lastHighlightColor"] = highlightColor
-
         elif cmd.startswith("saveTags"):
             gui_hooks.editor_did_update_tags(self.note)
 
diff --git a/qt/aqt/mediasrv.py b/qt/aqt/mediasrv.py
index d507dfdd5..636d88545 100644
--- a/qt/aqt/mediasrv.py
+++ b/qt/aqt/mediasrv.py
@@ -4,6 +4,7 @@
 from __future__ import annotations
 
 import enum
+import json
 import logging
 import mimetypes
 import os
@@ -28,7 +29,7 @@ from waitress.server import create_server
 import aqt
 import aqt.main
 import aqt.operations
-from anki import hooks
+from anki import frontend_pb2, generic_pb2, hooks
 from anki.collection import OpChanges, OpChangesOnly, Progress, SearchNode
 from anki.decks import UpdateDeckConfigs
 from anki.scheduler.v3 import SchedulingStatesWithContext, SetSchedulingStatesRequest
@@ -621,6 +622,23 @@ def editor_update_note() -> bytes:
     return output
 
 
+def get_profile_config_json() -> bytes:
+    key = generic_pb2.String()
+    key.ParseFromString(request.data)
+    value = aqt.mw.pm.profile.get(key.val, None)
+    output = generic_pb2.Json(json=json.dumps(value).encode()).SerializeToString()
+
+    return output
+
+
+def set_profile_config_json() -> bytes:
+    req = frontend_pb2.SetProfileConfigJsonRequest()
+    req.ParseFromString(request.data)
+    aqt.mw.pm.profile[req.key] = json.loads(req.value_json)
+
+    return b""
+
+
 post_handler_list = [
     congrats_info,
     get_deck_configs_for_update,
@@ -637,6 +655,8 @@ post_handler_list = [
     deck_options_require_close,
     deck_options_ready,
     editor_update_note,
+    get_profile_config_json,
+    set_profile_config_json,
 ]
 
 
diff --git a/ts/lib/tslib/profile.ts b/ts/lib/tslib/profile.ts
new file mode 100644
index 000000000..3ec10eff7
--- /dev/null
+++ b/ts/lib/tslib/profile.ts
@@ -0,0 +1,16 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+import { getProfileConfigJson, setProfileConfigJson } from "@generated/backend";
+
+export async function getProfileConfig(key: string): Promise<any> {
+    const decoder = new TextDecoder();
+    const json = decoder.decode((await getProfileConfigJson({ val: key })).json);
+    return JSON.parse(json);
+}
+
+export async function setProfileConfig(key: string, value: any): Promise<void> {
+    const encoder = new TextEncoder();
+    const json = JSON.stringify(value);
+    await setProfileConfigJson({ key: key, valueJson: encoder.encode(json) });
+}
diff --git a/ts/routes/editor/NoteEditor.svelte b/ts/routes/editor/NoteEditor.svelte
index 4d937f824..4e2159d5e 100644
--- a/ts/routes/editor/NoteEditor.svelte
+++ b/ts/routes/editor/NoteEditor.svelte
@@ -446,7 +446,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         decodeIriPaths,
     } from "@generated/backend";
     import { wrapInternal } from "@tslib/wrap";
-
+    import { getProfileConfig } from "@tslib/profile";
     import Shortcut from "$lib/components/Shortcut.svelte";
 
     import { mathjaxConfig } from "$lib/editable/mathjax-element.svelte";
@@ -465,6 +465,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import ButtonGroupItem from "$lib/components/ButtonGroupItem.svelte";
     import PreviewButton from "./PreviewButton.svelte";
     import type { Note } from "@generated/anki/notes_pb";
+    import InlineButtons from "./editor-toolbar/InlineButtons.svelte";
 
     $: isIOImageLoaded = false;
     $: ioImageLoadedStore.set(isIOImageLoaded);
@@ -613,6 +614,9 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
             )
         ).map((field) => field.val);
         const tags = note!.tags;
+        const lastTextColor = (await getProfileConfig("lastTextColor")) ?? "#0000ff";
+        const lastHighlightColor =
+            (await getProfileConfig("lastHighlightColor")) ?? "#0000ff";
 
         saveSession();
         setFields(fieldNames, fieldValues);
@@ -635,8 +639,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
             ]),
         );
         focusField(focusTo);
-        // TODO: lastTextColor/lastHighlightColor profile config
-        // setColorButtons(["#0000ff", "#0000ff"]);
+        toolbar.inlineButtons?.setColorButtons([lastTextColor, lastHighlightColor]);
         setTags(tags);
         // TODO: mw.pm.tags_collapsed()
         setTagsCollapsed(false);
diff --git a/ts/routes/editor/editor-toolbar/EditorToolbar.svelte b/ts/routes/editor/editor-toolbar/EditorToolbar.svelte
index 9266792b9..1ea545f8f 100644
--- a/ts/routes/editor/editor-toolbar/EditorToolbar.svelte
+++ b/ts/routes/editor/editor-toolbar/EditorToolbar.svelte
@@ -26,7 +26,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     export interface EditorToolbarAPI {
         toolbar: DefaultSlotInterface;
         notetypeButtons: DefaultSlotInterface;
-        inlineButtons: DefaultSlotInterface;
+        inlineButtons: InlineButtonsAPI;
         blockButtons: DefaultSlotInterface;
         templateButtons: DefaultSlotInterface;
         removeFormats: Writable<RemoveFormat[]>;
@@ -62,14 +62,14 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import OptionsButtons from "./OptionsButtons.svelte";
     import RichTextClozeButtons from "./RichTextClozeButtons.svelte";
     import TemplateButtons from "./TemplateButtons.svelte";
-
+    import type { InlineButtonsAPI } from "./InlineButtons.svelte";
     export let size: number;
     export let wrap: boolean;
 
     const toolbar = {} as DefaultSlotInterface;
     const notetypeButtons = {} as DefaultSlotInterface;
     const optionsButtons = {} as DefaultSlotInterface;
-    const inlineButtons = {} as DefaultSlotInterface;
+    const inlineButtons = {} as InlineButtonsAPI;
     const blockButtons = {} as DefaultSlotInterface;
     const templateButtons = {} as DefaultSlotInterface;
     const removeFormats = writable<RemoveFormat[]>([]);
diff --git a/ts/routes/editor/editor-toolbar/HighlightColorButton.svelte b/ts/routes/editor/editor-toolbar/HighlightColorButton.svelte
index 865ec5668..707f76872 100644
--- a/ts/routes/editor/editor-toolbar/HighlightColorButton.svelte
+++ b/ts/routes/editor/editor-toolbar/HighlightColorButton.svelte
@@ -4,7 +4,6 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 -->
 <script lang="ts">
     import * as tr from "@generated/ftl";
-    import { bridgeCommand } from "@tslib/bridgecommand";
     import { removeStyleProperties } from "@tslib/styling";
     import { singleCallback } from "@tslib/typing";
     import { onMount } from "svelte";
@@ -19,6 +18,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import ColorPicker from "./ColorPicker.svelte";
     import { context as editorToolbarContext } from "./EditorToolbar.svelte";
     import WithColorHelper from "./WithColorHelper.svelte";
+    import { setProfileConfig } from "@tslib/profile";
 
     export let color: string;
 
@@ -132,7 +132,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
             value={color}
             on:input={(event) => {
                 color = setColor(event);
-                bridgeCommand(`lastHighlightColor:${color}`);
+                setProfileConfig("lastHighlightColor", color);
             }}
             on:change={() => setTextColor()}
         />
diff --git a/ts/routes/editor/editor-toolbar/InlineButtons.svelte b/ts/routes/editor/editor-toolbar/InlineButtons.svelte
index 45dedb1dd..71da1e2f8 100644
--- a/ts/routes/editor/editor-toolbar/InlineButtons.svelte
+++ b/ts/routes/editor/editor-toolbar/InlineButtons.svelte
@@ -2,6 +2,14 @@
 Copyright: Ankitects Pty Ltd and contributors
 License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 -->
+
+<script context="module" lang="ts">
+    import type { DefaultSlotInterface } from "$lib/sveltelib/dynamic-slotting";
+    export interface InlineButtonsAPI extends DefaultSlotInterface {
+        setColorButtons: (colors: [string, string]) => void;
+    }
+</script>
+
 <script lang="ts">
     import ButtonGroup from "$lib/components/ButtonGroup.svelte";
     import DynamicallySlottable from "$lib/components/DynamicallySlottable.svelte";
@@ -16,16 +24,18 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import TextColorButton from "./TextColorButton.svelte";
     import UnderlineButton from "./UnderlineButton.svelte";
 
-    export let api = {};
-
     let textColor: string = "black";
     let highlightColor: string = "black";
-    export function setColorButtons([textClr, highlightClr]: [string, string]): void {
+
+    function setColorButtons([textClr, highlightClr]: [string, string]): void {
         textColor = textClr;
         highlightColor = highlightClr;
     }
 
-    Object.assign(globalThis, { setColorButtons });
+    export let api = {} as InlineButtonsAPI;
+    Object.assign(api, {
+        setColorButtons,
+    });
 </script>
 
 <DynamicallySlottable slotHost={Item} {api}>
diff --git a/ts/routes/editor/editor-toolbar/TextColorButton.svelte b/ts/routes/editor/editor-toolbar/TextColorButton.svelte
index 165953180..ba27ddb27 100644
--- a/ts/routes/editor/editor-toolbar/TextColorButton.svelte
+++ b/ts/routes/editor/editor-toolbar/TextColorButton.svelte
@@ -4,7 +4,6 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 -->
 <script lang="ts">
     import * as tr from "@generated/ftl";
-    import { bridgeCommand } from "@tslib/bridgecommand";
     import { getPlatformString } from "@tslib/shortcuts";
     import { removeStyleProperties } from "@tslib/styling";
     import { singleCallback } from "@tslib/typing";
@@ -22,6 +21,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import ColorPicker from "./ColorPicker.svelte";
     import { context as editorToolbarContext } from "./EditorToolbar.svelte";
     import WithColorHelper from "./WithColorHelper.svelte";
+    import { setProfileConfig } from "@tslib/profile";
 
     export let color: string;
 
@@ -151,7 +151,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
             value={color}
             on:input={(event) => {
                 color = setColor(event);
-                bridgeCommand(`lastTextColor:${color}`);
+                setProfileConfig("lastTextColor", color);
             }}
             on:change={() => {
                 // Delay added to work around intermittent failures on macOS/Qt6.5