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Using ttk theme azure-dark and Changing background color of ttk combobox widget

I am using the ttk azure theme dark Azure-ttk-theme. It sets the background color to nice modern looking UI. However, as seen in the images the background color of the tk window, Text widget and combobox widget is set as same. This looks bad when we are using all these together with some text in area(as seen on the right side of screenshot below).
I tried to modify the background of my combobox as below(pardon the full imports- just for replication):
from tkinter import *
from tkinter.ttk import *
root = Tk()
style = ttk.Style(root)
root.tk.call("source", SYSTEM_DIR / "azure.tcl")
root.tk.call("set_theme", "dark")
style.configure("TCombobox", fieldbackground= "orange", background= "white")
g_combo = Combobox(root, style="TCombobox")
But, the above code does not have any effect on my interface. If someone has any idea on how I can handle this. I might have to modify the tcl file for this theme. Since, I have limited knowledge on tcl I am looking for answers/suggestions here.

Ahh, well, I am answering this question because I also tried using this theme yesterday. My idea was too something similar to yours. I wanted to change the default colors and stuff to get a better UI. Before getting into the solution, I have to tell you that this theme overrides the default values and designs to a custom-created one as set by the author. So here's what you can do to achieve what you want.
As far as I know, the only way to do this is to edit the TCL file, which manages the colors of the widgets. It would help if you had some idea about TCL language before you get into it so deep. So I will tell you step by step:
Go to dark.tcl file, and then find the widget's code where you want to change the background color. Say you want to change the combo box's background color. So if you are on windows, you can search "Combobox" by pressing ctrl+f after opening that file (I suggest using Notepad to edit it, it's more accessible).
Ok, so here are the codes where you want to change. As you can see in the third part of the code (ttk::style element create Combobox.field), it is used to create the combo box widget. You can keep trying changing different statements and customize the whole Combobox and its effects (If you know how to). But now lets focus on background color
So in there, you see that the default background is set to an image known as box-basic.
So now you have to go to Azure-ttk-theme/theme/dark folder and find out where that box-basic file is. Once you find it, you have to edit the colors of that image with respecting the same size and then replace the old one and make sure you set the same name. I suggest you to use figma to replicate another image. Its easy. Change it to any color you wish.
And you are done!

With some other theme fieldbackground would work, but not with Azure (or with any of my themes).
Tk handles PNG images containing transparency very badly, especially on Microsoft Windows.
So to reduce lagging, I removed the transparent areas of the image elements, and therefore where you'd expect fieldbackground to be, there's actually the images' background, which looks like as if it were fieldbg.
So the solution is to edit the images, as TechieGeeke suggested.

How to make Tkinter volume slider in a professional way

I'm trying to make a volume controller in python tkinter. But what exactly the problem is that, I want to make it look rich and professional. So when I tried using tkinter scale widget, it worked. But the widget is just a normal one. I wanted to know a way to make it look like the image below I have sent.
My current one's code is this:
def slider(self):
self.scale = scale = ttk.Scale(self.canvas, from_=0, to=100, orient=HORIZONTAL)
print(self.scale.winfo_class())
self.scale.place(x=580,y=455)
self.scale.set(70)
Is there anyway I can make it look better like the one in the Image?
What all things I want is:
A knob like round thing like in the image which is movable
Some color should fill in the area that is already covered.
A pop up or anything to show the current details of the volume.
I'm using pygame to play music in tkinter btw..
If this isn't possible, please suggest me a better way/alternative to do this. Thank you.

As far as I know, there is no existing widget with a look exactly like what you are asking for. However, tkinter provides a way to craft your own widget styles, which might make it possible to do what you want.
Tkinter comes with a module named ttk, which stands for "themed tk". It allows you to define custom styles for individual widgets, and to bundle those styles into a collection known as a theme. If you want to create a widget with a custom look, you can use this module to do so.
Unfortunately, being able to design a custom theme for a widget isn't very well documented. The best documentation I personally know of is on tkdocs.com, in the section Styles and Themes. It gives a pretty good rundown of the terminology and overall description of how themes work. The python documentation for ttk also gives some additional information about creating styles and layouts in a section titled Ttk Styling.
For inspiration, you can check out the code for the ttkthemes project (github, public documentation) which has many different themes that you can examine. I doubt there is one exactly like you want, but you should be able to create your own after looking through the examples.

It is as easy as setting a theme for the TkInter project. Done in Python it looks like that:
s.theme_use('themename')
You might benefit from reading Styles and Themes documentation of TkDocs.

Adding Downloaded Fonts To Tkinter

I want to download an open source font and use it in my Python Tkinter Program.
How can I tell Tkinter to import a font from a directory or by putting the font in the same folder as the program ?
Note:
I have searched for an answer for a while even reading API reference of Tkinter about every font related thing I could find. If there was an obvious answer to this question and I didn't know because maybe I didn't search hard enough or asked the wrong questions I am sorry.

This worked for me on Windows (and I would guess on any platform which supports the pyglet module)
import tkinter as tk
import pyglet, os
pyglet.font.add_file('myFont.ttf') # Your TTF file name here
root = tk.Tk()
MyLabel = tk.Label(root,text="test",font=('myFont',25))
MyLabel.pack()
root.mainloop()

Is it possible to get tkinter messagebox icon image files?

I'm developing a python/tkinter application, and finding the default messagebox lacked flexibility, I programmed my own using Toplevel.
I was rather successful in recreating the messabox appearance, however, I could not find a way to obtain the icons displayed in normal tkinter messagebox (i.e. : error, warning, info icons...)
I did some research didn't find much, except that those image were stored in a win32 DLL file... Also tried looking into the tkinter messagebox module code, but its only an interface transferring from python to TCL code I can't find (and probably wouldn't be able to read anyway...)
Is there anyway to get files or rough equivalents (PhotoImage objects) for these icons using either python or TCL executed though Tk().tk.call()?
Or any other (thourghly explained then) way to achieve this?
Right now the best solution I can think of is to use screencapture, and save the icons to files, but I'd rather be able to access the original ones...
Thanks in advance !

The rough equivalents are available as (tk global variables):
::tk::icons::warning
::tk::icons::error
::tk::icons::information
::tk::icons::question
Like anything that is not documented, it is subject to change in the future, but these should be stable.

Tkinter and Tix demo or showcase application?

Is there a showcase (demo) application with all Tkinter and Tix features and widgets?
For example, wxPython download includes a "wxPython Demo" application which not only demonstrates the widgets, but also provides the source code and some comments on it, which I liked a lot.
But now I have to stick to Tkinter and Tix only, and as of those - there is some real good documentation, even with patterns explained, but there is no a showcase I could find, so I basically have to copy-paste lots of code from docs to my sample app to understand what it looks like in real.
P.S. Tix is really wanted, not only Tkinter...

check this message:
http://groups.google.com/group/comp.lang.python/msg/0b42abf092120140

The Python wiki page on TkInter is a good starting point - listing many resources. The TutorialsPoint site seems to be one of the few that gives a reasonable visual overview of the TkInter widgets. Also there is an overview of the basic tk widgets on the tcl.tk site.