diff --git a/README.md b/README.md
index 0b46e91..5c40e00 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ These themes have been tested and work out of the box without any configuration.
 
 - Adapta
 - Adwaita (GNOME & Fedora default)
+- Adwaita Colors
 - Arc
 - Canta
 - Cabinet
@@ -44,6 +45,7 @@ These themes have been tested and work out of the box without any configuration.
 ### Shell themes
 
 - Adapta
+- Adwaita Colors
 - Arc
 - Canta
 - ChromeOS
diff --git a/tests/gtk_themes/Adwaita-Colors.js b/tests/gtk_themes/Adwaita-Colors.js
new file mode 100644
index 0000000..6be3c8e
--- /dev/null
+++ b/tests/gtk_themes/Adwaita-Colors.js
@@ -0,0 +1,35 @@
+/*
+Night Theme Switcher Gnome Shell extension
+
+Copyright (C) 2020 Romain Vigier
+
+This program is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http s ://www.gnu.org/licenses/>.
+*/
+
+const test = require('ava');
+const { Variants } = require('./_variants');
+
+
+['blue', 'cyan', 'grass', 'gray', 'green', 'indigo', 'magenta', 'orange', 'pink', 'red', 'teal', 'violet', 'yellow'].forEach(color => {
+    test(`Adwaita-${color}`, t => {
+        const variants = Variants.guessFrom(`Adwaita-${color}`);
+        t.is(variants.get('day'), `Adwaita-${color}`);
+        t.is(variants.get('night'), `Adwaita-${color}-dark`);
+    });
+
+    test(`Adwaita-${color}-dark`, t => {
+        const variants = Variants.guessFrom(`Adwaita-${color}-dark`);
+        t.is(variants.get('day'), `Adwaita-${color}`);
+        t.is(variants.get('night'), `Adwaita-${color}-dark`);
+    });
+});
diff --git a/tests/shell_themes/Adwaita-Colors.js b/tests/shell_themes/Adwaita-Colors.js
new file mode 100644
index 0000000..6be3c8e
--- /dev/null
+++ b/tests/shell_themes/Adwaita-Colors.js
@@ -0,0 +1,35 @@
+/*
+Night Theme Switcher Gnome Shell extension
+
+Copyright (C) 2020 Romain Vigier
+
+This program is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http s ://www.gnu.org/licenses/>.
+*/
+
+const test = require('ava');
+const { Variants } = require('./_variants');
+
+
+['blue', 'cyan', 'grass', 'gray', 'green', 'indigo', 'magenta', 'orange', 'pink', 'red', 'teal', 'violet', 'yellow'].forEach(color => {
+    test(`Adwaita-${color}`, t => {
+        const variants = Variants.guessFrom(`Adwaita-${color}`);
+        t.is(variants.get('day'), `Adwaita-${color}`);
+        t.is(variants.get('night'), `Adwaita-${color}-dark`);
+    });
+
+    test(`Adwaita-${color}-dark`, t => {
+        const variants = Variants.guessFrom(`Adwaita-${color}-dark`);
+        t.is(variants.get('day'), `Adwaita-${color}`);
+        t.is(variants.get('night'), `Adwaita-${color}-dark`);
+    });
+});