diff --git a/SwiftNeoVim/NeoVimView+UiBridge.swift b/SwiftNeoVim/NeoVimView+UiBridge.swift
index 8f2f1829..3986add5 100644
--- a/SwiftNeoVim/NeoVimView+UiBridge.swift
+++ b/SwiftNeoVim/NeoVimView+UiBridge.swift
@@ -152,6 +152,8 @@ extension NeoVimView {
       self.bridgeLogger.debug(ColorUtils.colorIgnoringAlpha(fg))
 
       self.grid.foreground = fg
+
+      self.delegate?.foregroundChanged(to: ColorUtils.colorIgnoringAlpha(fg))
     }
   }
 
@@ -161,6 +163,8 @@ extension NeoVimView {
 
       self.grid.background = bg
       self.layer?.backgroundColor = ColorUtils.colorIgnoringAlpha(self.grid.background).cgColor
+
+      self.delegate?.backgroundChanged(to: ColorUtils.colorIgnoringAlpha(bg))
     }
   }
 
@@ -169,6 +173,8 @@ extension NeoVimView {
       self.bridgeLogger.debug(ColorUtils.colorIgnoringAlpha(sp))
 
       self.grid.special = sp
+
+      self.delegate?.specialChanged(to: ColorUtils.colorIgnoringAlpha(sp))
     }
   }
 
@@ -198,6 +204,10 @@ extension NeoVimView {
     gui.async {
 //      self.bridgeLogger.debug("\(neoVimAutoCommandEventName(event)) -> \(bufferHandle)")
 
+      if event == .COLORSCHEME {
+        NSLog(self.agent.vimCommandOutput("hi")!)
+      }
+
       if event == .BUFWINENTER || event == .BUFWINLEAVE {
         self.bufferListChanged()
       }
@@ -206,6 +216,15 @@ extension NeoVimView {
         self.tabChanged()
       }
 
+      let output = "SpecialComment xxx links to Special\n" +
+                   "Debug          xxx links to Special\n" +
+                   "FoldColmun     xxx ctermfg=246 ctermbg=235 guifg=#909194 guibg=#44475a\n" +
+                   "Normal         xxx guifg=#f8f8f2 guibg=#282a36\n" +
+                   "rubyClass      xxx ctermfg=212 guifg=#ff79c6\n" +
+                   "rubyFunction   xxx ctermfg=84 guifg=#50fa7b\n" +
+                   "rubyInterpolationDelimiter xxx cleared\n" +
+                   "rubySymbol     xxx ctermfg=141 guifg=#bd93f9"
+
       if event == .BUFREADPOST || event == .BUFWRITEPOST {
         self.currentBufferChanged(bufferHandle)
       }
diff --git a/SwiftNeoVim/NeoVimView.swift b/SwiftNeoVim/NeoVimView.swift
index 8cd91357..4ab94dc0 100644
--- a/SwiftNeoVim/NeoVimView.swift
+++ b/SwiftNeoVim/NeoVimView.swift
@@ -136,7 +136,7 @@ public class NeoVimView: NSView,
 
   @IBAction public func debug1(_ sender: Any?) {
     self.logger.debug("DEBUG 1 - Start")
-    NSApp.hide(self)
+    NSLog(self.agent.vimCommandOutput("hi")!)
     self.logger.debug("DEBUG 1 - End")
   }
 
diff --git a/SwiftNeoVim/NeoVimViewDelegate.swift b/SwiftNeoVim/NeoVimViewDelegate.swift
index 59d4bc18..17417bf9 100644
--- a/SwiftNeoVim/NeoVimViewDelegate.swift
+++ b/SwiftNeoVim/NeoVimViewDelegate.swift
@@ -16,6 +16,10 @@ public protocol NeoVimViewDelegate: class {
   func tabChanged()
   func currentBufferChanged(_ currentBuffer: NeoVimBuffer)
 
+  func foregroundChanged(to: NSColor)
+  func backgroundChanged(to: NSColor)
+  func specialChanged(to: NSColor)
+
   func ipcBecameInvalid(reason: String)
 
   func scroll()
diff --git a/VimR/MainWindow.swift b/VimR/MainWindow.swift
index fd078862..b1ce2d69 100644
--- a/VimR/MainWindow.swift
+++ b/VimR/MainWindow.swift
@@ -39,6 +39,8 @@ class MainWindow: NSObject,
     case setState(for: Tools, with: WorkspaceTool)
     case setToolsState([(Tools, WorkspaceTool)])
 
+    case setTheme(Theme)
+
     case close
   }
 
@@ -68,6 +70,14 @@ class MainWindow: NSObject,
     case verticalSplit
   }
 
+  struct Theme {
+
+    static let `default` = Theme()
+
+    var foreground = NSColor.black
+    var background = NSColor.white
+  }
+
   required init(source: Observable<StateType>, emitter: ActionEmitter, state: StateType) {
     self.emit = emitter.typedEmit()
     self.uuid = state.uuid
@@ -270,6 +280,8 @@ class MainWindow: NSObject,
   fileprivate var linespacing: CGFloat
   fileprivate var usesLigatures: Bool
 
+  fileprivate var theme = Theme.default
+
   fileprivate let fontManager = NSFontManager.shared()
 
   fileprivate let workspace: Workspace
@@ -394,6 +406,20 @@ extension MainWindow {
     self.currentBufferChanged(currentBuffer)
   }
 
+  func foregroundChanged(to color: NSColor) {
+    self.theme.foreground = color
+    self.emit(uuidAction(for: .setTheme(self.theme)))
+  }
+
+  func backgroundChanged(to color: NSColor) {
+    self.theme.background = color
+    self.emit(uuidAction(for: .setTheme(self.theme)))
+  }
+
+  func specialChanged(to color: NSColor) {
+    // noop
+  }
+
   func ipcBecameInvalid(reason: String) {
     let alert = NSAlert()
     alert.addButton(withTitle: "Close")
diff --git a/VimR/MainWindowReducer.swift b/VimR/MainWindowReducer.swift
index 4090ea03..35b3b903 100644
--- a/VimR/MainWindowReducer.swift
+++ b/VimR/MainWindowReducer.swift
@@ -82,6 +82,9 @@ class MainWindowReducer {
     case let .toggleToolButtons(value):
       state.isToolButtonsVisible = value
 
+    case let .setTheme(theme):
+      state.theme = Marked(theme)
+
     default:
       return pair
 
diff --git a/VimR/States.swift b/VimR/States.swift
index 57b536bd..d4294ce5 100644
--- a/VimR/States.swift
+++ b/VimR/States.swift
@@ -208,6 +208,8 @@ extension MainWindow {
       Tools.htmlPreview: true,
     ]
 
+    var theme = Marked(Theme.default)
+
     ////// transient
     var lastFileSystemUpdate = Marked(FileUtils.userHomeUrl)