diff --git a/src/styles/raw-themes/dark-raw-theme.js b/src/styles/raw-themes/dark-raw-theme.js
index 7e55a9d4d93bb3..8d88f8fe00708c 100644
--- a/src/styles/raw-themes/dark-raw-theme.js
+++ b/src/styles/raw-themes/dark-raw-theme.js
@@ -6,7 +6,7 @@ module.exports = {
   spacing: Spacing,
   fontFamily: 'Roboto, sans-serif',
   palette: {
-    primary1Color: Colors.teal200,
+    primary1Color: Colors.grey500,
     primary2Color: Colors.cyan700,
     primary3Color: Colors.cyan100,
     accent1Color: Colors.pinkA200,
diff --git a/test/theming-v12-spec.js b/test/theming-v12-spec.js
new file mode 100644
index 00000000000000..6f529d2b465cec
--- /dev/null
+++ b/test/theming-v12-spec.js
@@ -0,0 +1,233 @@
+//NOTE: all these tests depend on ThemeManager, DarkRawTheme, and Colors
+//Modifying any of the above files will break these tests!
+
+const AppBar = require('app-bar');
+const RaisedButton = require('raised-button');
+const React = require('react');
+const TestUtils = React.addons.TestUtils;
+const ThemeManager = require('styles/theme-manager');
+const ThemeDecorator = require('styles/theme-decorator');
+const DarkRawTheme = require('styles/raw-themes/dark-raw-theme');
+const LightRawTheme = require('styles/raw-themes/light-raw-theme');
+const Colors = require('styles/colors');
+
+describe('Theming', () => {
+
+	describe('ThemeManager', () => {
+
+		it('should return new theme object when spacing modifier invoked', () => {
+			let currentMuiTheme = ThemeManager.getMuiTheme(DarkRawTheme);
+			let modifiedMuiTheme = ThemeManager.modifyRawThemeSpacing(currentMuiTheme, currentMuiTheme.rawTheme.spacing);
+
+			expect(currentMuiTheme === modifiedMuiTheme).to.be.false;
+		});
+
+		it('should return new theme object when palette modifier invoked', () => {
+			let currentMuiTheme = ThemeManager.getMuiTheme(DarkRawTheme);
+			let modifiedMuiTheme = ThemeManager.modifyRawThemePalette(currentMuiTheme, currentMuiTheme.rawTheme.palette);
+
+			expect(currentMuiTheme === modifiedMuiTheme).to.be.false;
+		});
+
+		it('should return new theme object when fontFamily modifier invoked', () => {
+			let currentMuiTheme = ThemeManager.getMuiTheme(DarkRawTheme);
+			let modifiedMuiTheme = ThemeManager.modifyRawThemeFontFamily(currentMuiTheme, currentMuiTheme.rawTheme.fontFamily);
+
+			expect(currentMuiTheme === modifiedMuiTheme).to.be.false;
+		});
+	});
+
+	describe('When no theme is specified, AppBar', () => {
+
+		it('should display with default light theme', () => {
+
+			let renderedAppbar = TestUtils.renderIntoDocument(<AppBar />);
+			let appbarDivs = TestUtils.scryRenderedDOMComponentsWithTag(renderedAppbar, 'div');
+			let firstDiv = appbarDivs[0].getDOMNode();
+
+			expect(firstDiv.style.backgroundColor).to.equal('rgb(0, 188, 212)');
+		});
+	});
+
+	describe('When the dark theme is specified', () => {
+
+		describe('using context / react lifecycle methods, AppBar', () => {
+
+			it('should display with passed down dark theme', () => {
+
+				let renderedAppbar = TestUtils.renderIntoDocument(<AppBarDarkUsingContext />);
+				let appbarDivs = TestUtils.scryRenderedDOMComponentsWithTag(renderedAppbar, 'div');
+				let firstDiv = appbarDivs[0].getDOMNode();
+
+				expect(firstDiv.style.backgroundColor).to.equal('rgb(158, 158, 158)');
+			});
+
+			it('should display with passed down dark theme and overriden specific attribute', () => {
+
+				let renderedAppbar = TestUtils.renderIntoDocument(<AppBarDarkUsingContextWithOverride />);
+				let appbarDivs = TestUtils.scryRenderedDOMComponentsWithTag(renderedAppbar, 'div');
+				let firstDiv = appbarDivs[0].getDOMNode();
+
+				let appbarH1s = TestUtils.scryRenderedDOMComponentsWithTag(renderedAppbar, 'h1');
+				let firstH1 = appbarH1s[0].getDOMNode();
+
+				expect(firstDiv.style.backgroundColor).to.equal('rgb(158, 158, 158)');
+				expect(firstH1.style.color).to.equal('rgb(98, 0, 234)');
+			});
+
+		});
+
+		describe('using theme decorator, AppBar', () => {
+
+			it('should display with passed down dark theme', () => {
+
+				let renderedAppbar = TestUtils.renderIntoDocument(<AppBarDarkUsingDecorator />);
+				let appbarDivs = TestUtils.scryRenderedDOMComponentsWithTag(renderedAppbar, 'div');
+				let firstDiv = appbarDivs[0].getDOMNode();
+
+				expect(firstDiv.style.backgroundColor).to.equal('rgb(158, 158, 158)');
+			});
+
+			it('should display with passed down dark theme and overriden specific attribute', () => {
+
+				let renderedAppbar = TestUtils.renderIntoDocument(<AppBarDarkUsingDecoratorWithOverride />);
+				let appbarDivs = TestUtils.scryRenderedDOMComponentsWithTag(renderedAppbar, 'div');
+				let firstDiv = appbarDivs[0].getDOMNode();
+
+				let appbarH1s = TestUtils.scryRenderedDOMComponentsWithTag(renderedAppbar, 'h1');
+				let firstH1 = appbarH1s[0].getDOMNode();
+
+				expect(firstDiv.style.backgroundColor).to.equal('rgb(158, 158, 158)');
+				expect(firstH1.style.color).to.equal('rgb(98, 0, 234)');
+			});
+
+		});
+	});
+	
+	describe('When theme is updated through button click, AppBar', () => {
+
+		it('should display with updated theme', () => {
+			let renderedComponent = TestUtils.renderIntoDocument(<ButtonToUpdateThemeWithAppBar />);
+			let componentDivs = TestUtils.scryRenderedDOMComponentsWithTag(renderedComponent, 'div');
+			let appbarDiv = componentDivs[1].getDOMNode();
+			let buttonNode = (TestUtils.scryRenderedDOMComponentsWithTag(renderedComponent, 'button'))[1];
+
+			let appbarH1s = TestUtils.scryRenderedDOMComponentsWithTag(renderedComponent, 'h1');
+			let firstH1 = appbarH1s[0].getDOMNode();
+
+			expect(appbarDiv.style.backgroundColor).to.equal('rgb(158, 158, 158)');
+			expect(firstH1.style.color).to.equal('rgba(255, 255, 255, 0.867188)');
+
+			//simulate button click
+			TestUtils.Simulate.click(buttonNode);
+
+			//now new theme should be applied and text color of app bar should be changed
+			expect(appbarDiv.style.backgroundColor).to.equal('rgb(0, 188, 212)');
+			expect(firstH1.style.color).to.equal('rgb(98, 0, 234)');
+		});
+	});
+});
+
+//react components used for context-theme-passing testing
+const AppBarDarkUsingContext = React.createClass({
+
+	childContextTypes: {
+		muiTheme:React.PropTypes.object,
+	},
+
+	getChildContext() {
+		return {
+			muiTheme: ThemeManager.getMuiTheme(DarkRawTheme)
+		};
+	},
+
+	render() {
+		return (<AppBar />);
+	},
+});
+
+const AppBarDarkUsingContextWithOverride = React.createClass({
+
+	childContextTypes: {
+		muiTheme:React.PropTypes.object,
+	},
+
+	getInitialState() {
+		let newMuiTheme = ThemeManager.getMuiTheme(DarkRawTheme);
+		newMuiTheme.appBar.textColor = Colors.deepPurpleA700;
+
+		return {
+			muiTheme: newMuiTheme,
+		};
+	},
+
+	getChildContext() {
+		return {
+			muiTheme: this.state.muiTheme,
+		};
+	},
+
+	render() {
+		return (<AppBar title="My AppBar" />);
+	},
+});
+
+//react components used decorator-theme-passing texting
+let darkMuiTheme = ThemeManager.getMuiTheme(DarkRawTheme);
+
+@ThemeDecorator(darkMuiTheme)
+class AppBarDarkUsingDecorator extends React.Component
+{
+	render() {
+		return (<AppBar />);
+	}
+}
+
+let darkMuiThemeWithOverride = ThemeManager.getMuiTheme(DarkRawTheme);
+darkMuiThemeWithOverride.appBar.textColor = Colors.deepPurpleA700;
+
+@ThemeDecorator(darkMuiThemeWithOverride)
+class AppBarDarkUsingDecoratorWithOverride extends React.Component
+{
+	render() {
+		return (<AppBar title="My AppBar"/>);
+	}
+}
+
+//react component used to test whether or not theme updates down the hierarchy
+const ButtonToUpdateThemeWithAppBar = React.createClass({
+	getInitialState () {
+		return {
+			muiTheme: ThemeManager.getMuiTheme(DarkRawTheme),
+		};
+	},
+
+	childContextTypes: {
+		muiTheme: React.PropTypes.object,
+	},
+
+	getChildContext () {
+		return {
+			muiTheme: this.state.muiTheme,
+		};
+	},
+
+	handleClick() {
+		let newMuiThemeWithOverride = ThemeManager.getMuiTheme(LightRawTheme);
+		newMuiThemeWithOverride.appBar.textColor = Colors.deepPurpleA700;
+
+		this.setState({
+			muiTheme: newMuiThemeWithOverride,
+		});
+	},
+
+	render () {
+		return (
+			<div>
+				<AppBar title="My AppBar" />
+				<RaisedButton label="My Button" primary={true} onClick={this.handleClick} />
+			</div>
+			);
+	},
+
+});
\ No newline at end of file