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[#]: subject: "Colorblind Filters: GNOME Extension to help Colorblind Users"
[#]: via: "https://www.debugpoint.com/colorblind-filters-gnome-extension/"
[#]: author: "Arindam https://www.debugpoint.com/author/admin1/"
[#]: collector: "lkxed"
[#]: translator: "geekpi"
[#]: reviewer: " "
[#]: publisher: " "
[#]: url: " "
Colorblind Filters: GNOME Extension to help Colorblind Users
======
**A nice GNOME Extension – Colorblind Filters, brings many options for color-blind users.**
Accessibility is a critical aspect of computing and operating systems. It includes well-managed settings for vision impairment, color blind and many other health symptoms. Popular Linux desktop environments such as GNOME and KDE Plasma feature accessibility settings to help all those scenarios.
Thanks to the GNOME Extensions ecosystem, a huge number of specialised extensions are available to aid those users. One of the extensions I came across is [“Colorblind Filters”][1].
### Colorblind Filters – GNOME Extension
As per Wikipedia, _“Colour blindness usually involves the inability to distinguish between shades of red and green. There is no treatment for inherited colour blindness. If colour blindness is caused by another condition, treating the underlying cause can help.”_.
So, it’s important that you have options to tweak settings on your Linux desktop.
#### Set up extensions and flatpak
First, make sure you have Flatpak and GNOME Extensions enabled. And the Extensions manager is installed. You may refer to this detailed guide on how to [set up flatpak][2] & enable [GNOME extensions][3], Or run the following commands (for Ubuntu, Linux Mint, etc.) from the terminal.
```
sudo apt install flatpaksudo apt install gnome-software-plugin-flatpakflatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakreporeboot
```
Fedora users, use the below commands.
```
sudo dnf install flatpaksudo dnf install gnome-software-plugin-flatpakflatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakreporeboot
```
Once done, install the Extension Manager:
```
flatpak install com.mattjakeman.ExtensionManager
```
#### Install the Extension
Open the extension manager from the application menu. Search for “colorblind”. And install the extension (see the below image).
![Install the extension][4]
After installation, you can see a small eye icon on the system tray. You can click on it to enable the pre-defined color filters.
![Colorblind Filters extension tray icon][5]
Right-click on the eye icon for more settings. This extension brings all the necessary customizations for colorblind collections, simulations and additional options. The following options are currently available:
- Protanopia
- Deuteranopia
- Tritanopia
- Corrections & Simulations (with high contrast)
- Channel mixer for GBR and BRG
- Lightness inversion
- Color Inversion
- Additional tweaks
![Colorblind Filters - options][6]
Use the one that suits you best for your eye.
### Wrapping Up
I think Apple’s macOS and iOS have implemented better accessibility than Windows or Linux. However, Linux Desktops are not far behind with these apps and extensions. Also, there are specialized Linux distributions such as “[Accessible Coconut][7]“, which has been built for specialized needs.
I hope Colorblind gnome extension helps you with your day-to-day usage of Linux and GNOME desktops.
Cheers.
[Next:Top 10 Linux Distributions for Windows Users in 2023][8]
[_Using Mastodon? Follow us at floss.social/@debugpoint_][9]
--------------------------------------------------------------------------------
via: https://www.debugpoint.com/colorblind-filters-gnome-extension/
作者：[Arindam][a]
选题：[lkxed][b]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://www.debugpoint.com/author/admin1/
[b]: https://github.com/lkxed
[1]: https://extensions.gnome.org/extension/5589/colorblind-filters/
[2]: https://www.debugpoint.com/how-to-install-flatpak-apps-ubuntu-linux/
[3]: https://www.debugpoint.com/how-to-install-and-use-gnome-shell-extensions-in-ubuntu/
[4]: https://www.debugpoint.com/wp-content/uploads/2023/01/Install-the-extension.jpg
[5]: https://www.debugpoint.com/wp-content/uploads/2023/01/Colorblind-Filters-extension-tray-icon.gif
[6]: https://www.debugpoint.com/wp-content/uploads/2023/01/Colorblind-Filters-options.jpg
[7]: https://www.debugpoint.com/accessible-coconut-linux-visually-impaired/
[8]: https://www.debugpoint.com/best-linux-distributions-windows/
[9]: https://floss.social/@debugpoint

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[#]: subject: "Colorblind Filters: GNOME Extension to help Colorblind Users"
[#]: via: "https://www.debugpoint.com/colorblind-filters-gnome-extension/"
[#]: author: "Arindam https://www.debugpoint.com/author/admin1/"
[#]: collector: "lkxed"
[#]: translator: "geekpi"
[#]: reviewer: " "
[#]: publisher: " "
[#]: url: " "
Colorblind Filters：帮助色盲用户的 GNOME 扩展
======
**一个不错的 GNOME 扩展：Colorblind Filters，它为色盲用户带来了许多选项。**
无障碍是计算和操作系统的一个重要方面。它包括对视力障碍、色盲和许多其他健康症状的管理设置。流行的 Linux 桌面环境，如 GNOME 和 KDE Plasma，具有无障碍设置，以帮助所有这些情况。
感谢 GNOME 扩展生态系统，有大量的专门扩展可以帮助这些用户。我遇到的其中一个扩展是[“Colorblind Filters”][1]。
### Colorblind Filters – GNOME 扩展
根据维基百科，_"色盲通常涉及无法区分红色和绿色的深浅。遗传性色盲症没有治疗方法。如果色盲是由其他疾病引起的，治疗潜在的原因会有帮助。"_。
因此，你有选项来调整你的 Linux 桌面上的设置是很重要的。
#### 设置扩展程序和 Flatpak
首先，确保你已经启用了 Flatpak 和 GNOME 扩展。并且安装了扩展管理器。你可以参考这个关于如何[设置 flatpak][2]和启用 [GNOME 扩展][3]的详细指南，或者从终端运行以下命令（对于 Ubuntu、Linux Mint 等）。
```
sudo apt install flatpaksudo apt install gnome-software-plugin-flatpakflatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakreporeboot
```
对于 Fedora 用户，使用以下命令。
```
sudo dnf install flatpaksudo dnf install gnome-software-plugin-flatpakflatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakreporeboot
```
完成后，安装扩展管理器：
```
flatpak install com.mattjakeman.ExtensionManager
```
#### 安装扩展
从应用菜单中打开扩展管理器。搜索 “colorblind”。并安装该扩展（见下图）。
![安装扩展][4]
安装后，你可以在系统托盘上看到一个小眼睛图标。你可以点击它来启用预定义的颜色过滤器。
![Colorblind Filters 扩展托盘图标][5]
右键点击眼睛图标以获得更多设置。这个扩展带来了色盲收集、模拟和额外选项的所有必要定制。目前有以下选项：
- 红色盲
- 绿色盲
- 蓝黄色盲
- 纠正和模拟（具有高对比度）
- GBR 和 BRG 的通道混合器
- 亮度反转
- 颜色反转
- 额外的调整
![Colorblind Filters - 选项][6]
使用最适合你的眼睛的那个。
### 总结
我认为苹果的 macOS 和 iOS 已经实现了比 Windows 或 Linux 更好的无障碍。然而，Linux 桌面在这些应用和扩展方面也不落后。另外，还有一些专门的 Linux 发行版，如“[Accessible Coconut][7]”，它是为专门的需求而建立的。
我希望 Colorblind gnome 扩展对你日常使用 Linux 和 GNOME 桌面有帮助。
干杯。
--------------------------------------------------------------------------------
via: https://www.debugpoint.com/colorblind-filters-gnome-extension/
作者：[Arindam][a]
选题：[lkxed][b]
译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://www.debugpoint.com/author/admin1/
[b]: https://github.com/lkxed
[1]: https://extensions.gnome.org/extension/5589/colorblind-filters/
[2]: https://www.debugpoint.com/how-to-install-flatpak-apps-ubuntu-linux/
[3]: https://www.debugpoint.com/how-to-install-and-use-gnome-shell-extensions-in-ubuntu/
[4]: https://www.debugpoint.com/wp-content/uploads/2023/01/Install-the-extension.jpg
[5]: https://www.debugpoint.com/wp-content/uploads/2023/01/Colorblind-Filters-extension-tray-icon.gif
[6]: https://www.debugpoint.com/wp-content/uploads/2023/01/Colorblind-Filters-options.jpg
[7]: https://www.debugpoint.com/accessible-coconut-linux-visually-impaired/