***tl;dr*** the Google Docs color pallete has colors I want and other I do not want. How can I remove some colors?

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In Google Docs, I cannot change a Custom Text Color. If I select Custom Colors for a Text Color, those selected Custom Colors cannot later be edited. **Is there any way to unset previously picked Custom Colors in Text Color picker?**

For example, given a new Google document,

1. click *Text Color*

[![enter image description here](https://i.stack.imgur.com/Iurn7.jpg)](https://i.stack.imgur.com/Iurn7.jpg)
2. select *Custom...*
3. pick some custom color

[![pick some custom color](https://i.stack.imgur.com/CKP9F.jpg)](https://i.stack.imgur.com/CKP9F.jpg)
4. click *OK*
5. again, click *Text Color*
6. select *Custom...* . **How to edit the previously picked color?**
[![last color used](https://i.stack.imgur.com/SZbOh.jpg)](https://i.stack.imgur.com/SZbOh.jpg)

**The problem is when I'm trying out different Custom Colors then *the custom color palette fills with shades of colors I do not want to use*.**

For example, after looking for a shade of green I like, the custom color palette looks like:

[![too many leftover experiment colors](https://i.stack.imgur.com/WrUAI.jpg)](https://i.stack.imgur.com/WrUAI.jpg)

**I'd like to remove the unused shades of green from the custom color palette (and keep the preferred shade of green).**