diff --git a/THEME.md b/THEME.md
index e9d6d4b..2cbe799 100644
--- a/THEME.md
+++ b/THEME.md
@@ -38,22 +38,22 @@ untouched reproduces the previous automatic look; setting it overrides that.
 
 | Key | What it colours | Default |
 |---|---|---|
-| `primary_color` | Primary/brand colour — buttons, links, active states, and the browser favicon/tab colour | `#4285F4` |
-| `accent_color` | Accent — danger actions, the "now" line, reminders | `#EA4335` |
-| `today_color` | "Today" accent: the day-number circle and today's labels | `#4285F4` |
+| `primary_color` | Primary/brand colour — buttons, links, active states, and the browser favicon/tab colour | `#58B900` |
+| `accent_color` | Accent — danger actions, the "now" line, reminders | `#45A148` |
+| `today_color` | "Today" accent: the day-number circle and today's labels | `#6FB669` |
 | `text_color` | Base text colour (secondary/tertiary text is derived from it) | `#FFFFFF` |
 | `bg_color` | App background | `#000000` |
-| `surface_color` | Sidebar / top bar / card surfaces (derived from `bg_color` when unset) | `#1A1A1A` |
-| `line_color` | Borders and grid lines | `#3A3A52` |
-| `month_divider_color` | The line marking a month change in the scrolling month view | `#7090C0` |
-| `month_label_color` | The month abbreviation shown at a month change | `#7090C0` |
-| `hover_highlight_color` | General interactive hover — buttons, menu items, list rows | `#2A2A38` (= derived hover) |
-| `icon_inactive_color` | Sidebar action icons (notification bell *off*, hide/eye, delete/trash, "not editable") in their resting / off / not-hovered state | `#9090AA` (= secondary text) |
-| `icon_active_color` | The same sidebar action icons when hovered, pressed, or *on* (e.g. notification bell enabled) | `#E8E8F0` (= primary text) |
-| `day_hover_color` | Hover background over a calendar day (month / week / quarter / agenda / mini-calendar / date picker) | `#2A2A38` (= derived hover) |
-| `day_selected_color` | The selected day — applied as a subtle tint of this colour | `#4285F4` (= primary) |
+| `surface_color` | Sidebar / top bar / card surfaces (derived from `bg_color` when unset) | `#2B2B2B` |
+| `line_color` | Borders and grid lines | `#3B3B3D` |
+| `month_divider_color` | The line marking a month change in the scrolling month view | `#95D25E` |
+| `month_label_color` | The month abbreviation shown at a month change | `#95D25E` |
+| `hover_highlight_color` | General interactive hover — buttons, menu items, list rows | `#2A2A38` |
+| `icon_inactive_color` | Sidebar action icons (notification bell *off*, hide/eye, delete/trash, "not editable") in their resting / off / not-hovered state | `#90AA91` |
+| `icon_active_color` | The same sidebar action icons when hovered, pressed, or *on* (e.g. notification bell enabled) | `#E8E8F0` |
+| `day_hover_color` | Hover background over a calendar day (month / week / quarter / agenda / mini-calendar / date picker) | `#2B382A` |
+| `day_selected_color` | The selected day — applied as a subtle tint of this colour | `#88EF9A` |
 | `day_bg_color` | Normal (unselected, non-today) day background. Defaults to the app background so days look transparent | `#000000` |
-| `today_bg_color` | Today's day-cell background — applied as a subtle tint of this colour | `#4285F4` (= today accent) |
+| `today_bg_color` | Today's day-cell background — applied as a subtle tint of this colour | `#477650` |
 
 Notes:
 - `day_selected_color` and `today_bg_color` are applied as a low-opacity tint of
diff --git a/frontend/js/settings-sync.js b/frontend/js/settings-sync.js
index c20d007..bff5fa5 100644
--- a/frontend/js/settings-sync.js
+++ b/frontend/js/settings-sync.js
@@ -7,25 +7,24 @@
 
 // Canonical default colours — the single source for the web. Reset writes these.
 export const DEFAULT_COLORS = {
-  primary_color:       '#4285F4',
-  accent_color:        '#EA4335',
-  today_color:         '#4285F4',
+  primary_color:       '#58B900',
+  accent_color:        '#45A148',
+  today_color:         '#6FB669',
   text_color:          '#FFFFFF',
   bg_color:            '#000000',
-  line_color:          '#3A3A52',
-  surface_color:       '#1A1A1A',
-  month_divider_color: '#7090C0',
-  month_label_color:   '#7090C0',
-  // Fine-grained element colours. Defaults equal the previously-derived look
-  // (see THEME.md). day_selected/today_bg are applied as a subtle tint of the
-  // chosen colour; the rest are applied solid.
+  line_color:          '#3B3B3D',
+  surface_color:       '#2B2B2B',
+  month_divider_color: '#95D25E',
+  month_label_color:   '#95D25E',
+  // Fine-grained element colours (see THEME.md). day_selected/today_bg are
+  // applied as a subtle tint of the chosen colour; the rest are applied solid.
   hover_highlight_color: '#2A2A38',
-  icon_inactive_color:   '#9090AA',
+  icon_inactive_color:   '#90AA91',
   icon_active_color:     '#E8E8F0',
-  day_hover_color:       '#2A2A38',
-  day_selected_color:    '#4285F4',
+  day_hover_color:       '#2B382A',
+  day_selected_color:    '#88EF9A',
   day_bg_color:          '#000000',
-  today_bg_color:        '#4285F4',
+  today_bg_color:        '#477650',
 };
 
 // The syncable settings the web client exposes, grouped into table sections.
diff --git a/frontend/js/version.js b/frontend/js/version.js
index b4a4318..38a1d90 100644
--- a/frontend/js/version.js
+++ b/frontend/js/version.js
@@ -1,2 +1,2 @@
 // Increment APP_VERSION with every code change
-export const APP_VERSION = 'v85';
+export const APP_VERSION = 'v86';
diff --git a/frontend/sw.js b/frontend/sw.js
index ecb6f52..be4f4f3 100644
--- a/frontend/sw.js
+++ b/frontend/sw.js
@@ -7,7 +7,7 @@
 // the entry HTML / version files). New releases take effect on the next
 // reload, no manual SW unregister required.
 
-const CACHE_VERSION  = 'calendarr-v33';
+const CACHE_VERSION  = 'calendarr-v34';
 const OFFLINE_SHELL  = ['/', '/index.html'];
 
 self.addEventListener('install', event => {