diff --git a/Readme.md b/Readme.md
index 7fc5931..d27cba6 100644
--- a/Readme.md
+++ b/Readme.md
@@ -85,11 +85,7 @@ root_tk = customtkinter.CTk()
 ... the program ...
 
 root_tk.mainloop()
-
 ```
-The above results in a window with a black title-bar with macOS dark-mode turned on:
-
-![](documentation_images/simple_macOS_darkmode_test.png)
 
 If you set the appearance mode to "System", it should change with
 the System mode:
@@ -114,6 +110,20 @@ colors and removed the round corners, and added a border to the buttons:
 
 ![](documentation_images/complex_example_other_style.png)
 
+### Default color themes
+
+If you don't set any colors at all you will get the standard blue
+color theme.But you can also change the standard color theme to
+green or dark-blue with the following command before you create
+the main window:
+```python
+customtkinter.set_appearance_mode("System")
+customtkinter.set_default_color_theme("dark-blue")  # Themes: "blue" (standard), "green", "dark-blue"
+```
+The color themes look like the following in light and dark mode:
+
+![](documentation_images/themes.jpg)
+
 ### CustomTkinter on Windows/Linux
 
 All elements of Customtkinter are drawn on the ```tkinter.Canvas```.
@@ -458,6 +468,11 @@ customtkinter.set_appearance_mode("System")
 print(customtkinter.get_appearance_mode())
 ```
 
+Set default color theme:
+```python
+customtkinter.set_default_color_theme("dark-blue")  # Themes: "blue" (standard), "green", "dark-blue"
+```
+
 Use macOS darkmode window style without using the `customtkinter.Ctk` class:
 ```python
 customtkinter.enable_macos_darkmode()  # get darkmode window style
diff --git a/customtkinter/customtkinter_button.py b/customtkinter/customtkinter_button.py
index 0abdfcd..0ff4cb2 100644
--- a/customtkinter/customtkinter_button.py
+++ b/customtkinter/customtkinter_button.py
@@ -572,4 +572,3 @@ class CTkButton(tkinter.Frame):
             self.bg_color = self.master.cget("bg")
 
         self.draw()
-        self.update_idletasks()
\ No newline at end of file
diff --git a/customtkinter/customtkinter_checkbox.py b/customtkinter/customtkinter_checkbox.py
index 0a2ebbb..7d441f3 100644
--- a/customtkinter/customtkinter_checkbox.py
+++ b/customtkinter/customtkinter_checkbox.py
@@ -403,4 +403,3 @@ class CTkCheckBox(tkinter.Frame):
             self.bg_color = self.master.cget("bg")
 
         self.draw()
-        self.update_idletasks()
diff --git a/customtkinter/customtkinter_color_manager.py b/customtkinter/customtkinter_color_manager.py
index 7147a03..26a078f 100644
--- a/customtkinter/customtkinter_color_manager.py
+++ b/customtkinter/customtkinter_color_manager.py
@@ -40,7 +40,7 @@ class CTkColorManager:
             cls.WINDOW_BG = ("#ECECEC", "#323232")  # macOS standard light and dark window bg colors
             cls.MAIN = ("#29B57E", "#29B57E")
             cls.MAIN_HOVER = ("#6ACBA5", "#6ACBA5")
-            cls.ENTRY = ("#656565", "#222223")
+            cls.ENTRY = ("gray60", "#222223")
             cls.TEXT = ("black", "white")
             cls.LABEL_BG = ("white", "#626061")
             cls.SLIDER_BG = ("#636363", "#0D1321")
diff --git a/customtkinter/customtkinter_entry.py b/customtkinter/customtkinter_entry.py
index b8127d1..b99344b 100644
--- a/customtkinter/customtkinter_entry.py
+++ b/customtkinter/customtkinter_entry.py
@@ -210,5 +210,3 @@ class CTkEntry(tkinter.Frame):
             self.bg_color = self.master.cget("bg")
 
         self.draw()
-        self.update_idletasks()
-
diff --git a/customtkinter/customtkinter_label.py b/customtkinter/customtkinter_label.py
index c3f0131..9fa3d92 100644
--- a/customtkinter/customtkinter_label.py
+++ b/customtkinter/customtkinter_label.py
@@ -223,4 +223,3 @@ class CTkLabel(tkinter.Frame):
             self.bg_color = self.master.cget("bg")
 
         self.draw()
-        self.update_idletasks()
diff --git a/customtkinter/customtkinter_progressbar.py b/customtkinter/customtkinter_progressbar.py
index 8e922ec..432caa2 100644
--- a/customtkinter/customtkinter_progressbar.py
+++ b/customtkinter/customtkinter_progressbar.py
@@ -279,4 +279,3 @@ class CTkProgressBar(tkinter.Frame):
             self.bg_color = self.master.cget("bg")
 
         self.draw()
-        self.update_idletasks()
diff --git a/customtkinter/customtkinter_slider.py b/customtkinter/customtkinter_slider.py
index 878d89f..9ffa20d 100644
--- a/customtkinter/customtkinter_slider.py
+++ b/customtkinter/customtkinter_slider.py
@@ -405,4 +405,3 @@ class CTkSlider(tkinter.Frame):
             self.bg_color = self.master.cget("bg")
 
         self.draw()
-        self.update_idletasks()
diff --git a/customtkinter/customtkinter_tk.py b/customtkinter/customtkinter_tk.py
index 1ed957a..f5f6f6f 100644
--- a/customtkinter/customtkinter_tk.py
+++ b/customtkinter/customtkinter_tk.py
@@ -75,7 +75,6 @@ class CTk(tkinter.Tk):
             from .customtkinter_button import CTkButton
 
             for child in self.winfo_children():
-                print("tk change children:", child)
                 if isinstance(child, (CTkFrame, CTkButton, CTkLabel, CTkSlider, CTkCheckBox, CTkEntry, CTkProgressBar)):
                     child.configure(bg_color=self.fg_color)
 
@@ -103,4 +102,3 @@ class CTk(tkinter.Tk):
             self.appearance_mode = 0
 
         super().configure(bg=CTkColorManager.single_color(self.fg_color, self.appearance_mode))
-        #self.update_idletasks()
diff --git a/documentation_images/themes.jpg b/documentation_images/themes.jpg
new file mode 100644
index 0000000..ef42071
Binary files /dev/null and b/documentation_images/themes.jpg differ