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Output color oddness #11861

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opened 2026-01-31 02:59:30 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 02:59:30 +00:00
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Originally created by @SonOfDiablo on GitHub (Dec 23, 2020).

Environment

Windows build number: 10.0.18363.0
Windows Terminal version (if applicable): 1.4.3243.0

PowerShell: 7.1.0
Custom C# application using [Colorful.Console](http://colorfulconsole.com/)

Steps to reproduce

  1. Create a new C# .Net Core Console Application.
  2. Install the following NuGet package: https://www.nuget.org/packages/Colorful.Console
  3. Add the following code:
using System;
using System.Drawing;
using Console = Colorful.Console;

namespace ColorTest
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!", Color.White);
        }
    }
}
  1. Build the application and run it inside of Windows Terminal.

Expected behavior

The "Hello World" text should be white (as seen here, in PowerShell console window outside of Windows Terminal):
image

Actual behavior

The "Hello World" text is, for some reason, blue...
image

More Info

I thought it had something to do with my custom color-scheme, so I tried pasting the default settings over my custom Windows Terminal settings, but the issue were still there.
I then got a friend to test it since it could be something local to my machine, same issue occurred.

I have tried with CMD, PowerShell 6 and 7.
This specific color weirdness ONLY happens inside of Windows Terminal.

I'm not sure whether the issue is on Windows Terminal's site or Colorful.Console, but some kind of incompatibility is happening.

Originally created by @SonOfDiablo on GitHub (Dec 23, 2020). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: 10.0.18363.0 Windows Terminal version (if applicable): 1.4.3243.0 PowerShell: 7.1.0 Custom C# application using [Colorful.Console](http://colorfulconsole.com/) ``` # Steps to reproduce 1. Create a new C# .Net Core Console Application. 2. Install the following NuGet package: https://www.nuget.org/packages/Colorful.Console 3. Add the following code: ``` using System; using System.Drawing; using Console = Colorful.Console; namespace ColorTest { class Program { static void Main(string[] args) { Console.WriteLine("Hello World!", Color.White); } } } ``` 4. Build the application and run it inside of Windows Terminal. # Expected behavior The "Hello World" text should be white (as seen here, in PowerShell console window outside of Windows Terminal): ![image](https://user-images.githubusercontent.com/9123250/103027555-617cb980-4556-11eb-9a7c-f1ed49012aa8.png) # Actual behavior The "Hello World" text is, for some reason, blue... ![image](https://user-images.githubusercontent.com/9123250/103027610-7bb69780-4556-11eb-8537-7adccd584f56.png) # More Info I thought it had something to do with my custom color-scheme, so I tried pasting the default settings over my custom Windows Terminal settings, but the issue were still there. I then got a friend to test it since it could be something local to my machine, same issue occurred. I have tried with CMD, PowerShell 6 and 7. This specific color weirdness ONLY happens inside of Windows Terminal. I'm not sure whether the issue is on Windows Terminal's site or Colorful.Console, but some kind of incompatibility is happening.
claunia added the Needs-TriageNeeds-Tag-Fix labels 2026-01-31 02:59:30 +00:00
claunia commented 2026-01-31 02:59:31 +00:00
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@j4james commented on GitHub (Dec 23, 2020):

I think this is a duplicate of #2985. Colorful.Console actually changes the console's color table to get the color scheme it uses, and those change are not propagated over the conpty connection to Windows Terminal.

@j4james commented on GitHub (Dec 23, 2020): I think this is a duplicate of #2985. _Colorful.Console_ actually changes the console's color table to get the color scheme it uses, and those change are not propagated over the conpty connection to Windows Terminal.
claunia commented 2026-01-31 02:59:31 +00:00
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@SonOfDiablo commented on GitHub (Dec 24, 2020):

I think this is a duplicate of #2985. Colorful.Console actually changes the console's color table to get the color scheme it uses, and those change are not propagated over the conpty connection to Windows Terminal.

Yup seems like a duplicate, so I'm going to close this one ^^

@SonOfDiablo commented on GitHub (Dec 24, 2020): > I think this is a duplicate of #2985. _Colorful.Console_ actually changes the console's color table to get the color scheme it uses, and those change are not propagated over the conpty connection to Windows Terminal. Yup seems like a duplicate, so I'm going to close this one ^^
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Reference: starred/terminal#11861
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