Rhex: HEX & RGB Editor

What it does

Create from scratch, import any palette image and extract colors automatically, generate shades for shadows and highlights, explore complementary color schemes, reorder and edit on the fly, and export. No subscription. No cloud. Runs fully native and offline. Built this because every other tool was either too simple or buried in features I didn't need. First public release would love to know if it fits your workflow.

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  Rhex: HEX & RGB EditorMar 2026

  Build, merge, and export color palettes with ease.

• IM
  I made a new AI colorizer2022 · palette.fm · ▲472

  Hi HN, I’m Emil, the maker behind Palette. I’ve been tinkering with AI and colorization for about five years. This is my latest colorization model. It’s a text-based AI colorizer, so you can edit the colorizations with natural language. To make it easier to use, I also automatically create captions and generate filters. Let me know what you think. You can see some of my results on my reddit page: https://www.reddit.com/user/emilwallner/?sort=top

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  Creates a color palette from any image.

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  Tint & Shade Generator 2.02020 · ▲128

  Precise tints and shades from any color in 10% increments.

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  Save My Palette2016 · ▲112

  A brand new tool to save, share and export color palettes

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• NW
  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• FM
  Files.md – Open-source alternative to Obsidian▲730

  Dev tools · May 2026 · github.com