diff --git a/README.md b/README.md
index 303f9136..3636e12e 100644
--- a/README.md
+++ b/README.md
@@ -94,51 +94,9 @@ This app supports open repository in external tools listed in the table below.
 
 ![Theme Light](./screenshots/theme_light.png)
 
-## How to Customize Theme
+* Custom Themes
 
-1. Create a new json file, and provide your favorite colors with follow keys:
-
-| Key | Description |
-| --- | --- |
-| Color.Window | Window background color |
-| Color.WindowBorder | Window border color. Only used on Linux. |
-| Color.TitleBar | Title bar background color |
-| Color.ToolBar | Tool bar background color |
-| Color.Popup | Popup panel background color |
-| Color.Contents | Background color used in inputs, data grids, file content viewer, change lists, text diff viewer, etc. |
-| Color.Badge | Badge background color |
-| Color.BadgeFG | Badge foreground color |
-| Color.Conflict | Conflict panel background color |
-| Color.ConflictForeground | Conflict panel foreground color |
-| Color.DecoratorIconBG | Background color for commit ref icon |
-| Color.DecoratorIcon | Foreground color for commit ref icon |
-| Color.DecoratorBranch | Background color for commit branch ref name |
-| Color.DecoratorTag | Background color for commit tag ref name |
-| Color.DecoratorFG | Foreground color for commit ref name |
-| Color.Border0 | Border color used in some controls, like Window, Tab, Toolbar, etc. |
-| Color.Border1 | Border color used in inputs, like TextBox, ComboBox, etc. |
-| Color.Border2 | Border color used in visual lines, like seperators, Rectange, etc. |
-| Color.FlatButton.Background | Flat button background color, like `Cancel`, `Commit & Push` button |
-| Color.FlatButton.BackgroundHovered | Flat button background color when hovered, like `Cancel` button |
-| Color.FG1 | Primary foreground color for all text elements |
-| Color.FG2 | Secondary foreground color for all text elements |
-| Color.Diff.EmptyBG | Background color used in empty lines in diff viewer |
-| Color.Diff.AddedBG | Background color used in added lines in diff viewer |
-| Color.Diff.DeletedBG | Background color used in deleted lines in diff viewer |
-| Color.Diff.AddedHighlight | Background color used for changed words in added lines in diff viewer |
-| Color.Diff.DeletedHighlight | Background color used for changed words in deleted lines in diff viewer |
-
-For example:
-
-```json
-{
-  "Color.Window": "#FFFF6059"
-}
-```
-
-2. Open `Preference` -> `Appearance`, choose the json file you just created in `Custom Color Schema`.
-
-> **NOTE**: The `Custom Color Schema` will override the colors with same keys in current active theme.
+You can find custom themes from [sourcegit-theme](https://github.com/sourcegit-scm/sourcegit-theme.git)
 
 ## Contributing