don't override terminal foreground color for pygments themes

Styles without a color should not hardcode to black, and instead use
None, which instructs Pygments to use the terminal's configured
foreground color.

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Pygments styles without color now use terminal's foreground color rather than hardcode black https://github.com/Textualize/rich/pull/3582
 
 ## [13.9.4] - 2024-11-01
 

CONTRIBUTORS.md

@@ -72,6 +72,7 @@ The following people have contributed to the development of Rich:
 - [Karolina Surma](https://github.com/befeleme)
 - [Gabriele N. Tornetta](https://github.com/p403n1x87)
 - [Nils Vu](https://github.com/nilsvu)
+- [Alex Waite](https://github.com/aqw)
 - [Arian Mollik Wasi](https://github.com/wasi-master)
 - [Jan van Wijk](https://github.com/jdvanwijk)
 - [Handhika Yanuar Pratama](https://github.com/theDreamer911)

rich/syntax.py

@@ -162,7 +162,7 @@ def get_style_for_token(self, token_type: TokenType) -> Style:
                 color = pygments_style["color"]
                 bgcolor = pygments_style["bgcolor"]
                 style = Style(
-                    color="#" + color if color else "#000000",
+                    color="#" + color if color else None,
                     bgcolor="#" + bgcolor if bgcolor else self._background_color,
                     bold=pygments_style["bold"],
                     italic=pygments_style["italic"],