Nihal Kumar b22b149f21 terminal_element: Skip contrast adjustment for 24-bit color (#52162)
## Context

Red and blue have inherently low perceptual luminance in APCA — pure
default Lc 45 threshold. This caused ensure_minimum_contrast to lighten
them, washing out the color to pink/lavender.

When an application explicitly specifies an RGB value via
ESC[38;2;R;G;Bm,
that color should be rendered as-is. Named and indexed colors continue
to be contrast-adjusted since they come from theme mappings



[zed-colors-before.webm](https://github.com/user-attachments/assets/1adb8c95-5dec-4744-b6f8-38f085602ef4)


[zed-colors-after.webm](https://github.com/user-attachments/assets/1968db26-9c02-48cf-9542-86a6c39899c0)


Closes: #50396 

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     Not just what changed, but what motivated it and why this approach.

Link to Linear issue (e.g., ENG-123) or GitHub issue (e.g., Closes #456)
     if one exists — helps with traceability. -->

## Self-Review Checklist

<!-- Check before requesting review: -->
- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content is consistent with the [UI/UX
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Release Notes:

- Fixed true-color render in terminal
2026-04-20 09:30:11 +02:00
2026-04-06 12:51:13 +00:00
2026-01-22 23:57:26 +05:30
2026-04-19 14:12:02 +00:00
2026-04-19 14:12:02 +00:00
WIP
2023-12-14 09:25:14 -07:00
2026-02-03 20:31:02 -07:00
2025-02-04 09:02:59 -05:00
2025-02-04 09:02:59 -05:00
2026-01-06 12:49:51 -08:00
2025-10-27 13:27:59 -04:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00

Zed

Zed CI

Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.


Installation

On macOS, Linux, and Windows you can download Zed directly or install Zed via your local package manager (macOS/Linux/Windows).

Other platforms are not yet available:

Developing Zed

Contributing

See CONTRIBUTING.md for ways you can contribute to Zed.

Also... we're hiring! Check out our jobs page for open roles.

Licensing

License information for third party dependencies must be correctly provided for CI to pass.

We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:

  • Is it showing a no license specified error for a crate you've created? If so, add publish = false under [package] in your crate's Cargo.toml.
  • Is the error failed to satisfy license requirements for a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to the accepted array in script/licenses/zed-licenses.toml.
  • Is cargo-about unable to find the license for a dependency? If so, add a clarification field at the end of script/licenses/zed-licenses.toml, as specified in the cargo-about book.

Sponsorship

Zed is developed by Zed Industries, Inc., a for-profit company.

If you’d like to financially support the project, you can do so via GitHub Sponsors. Sponsorships go directly to Zed Industries and are used as general company revenue. There are no perks or entitlements associated with sponsorship.

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