Free Pixel Art Palette Color Ramp Generator & Hue Shifter—
gemini-3.0-flash
Generate professional pixel art color ramps effortlessly. Adjust hue, saturation, and lightness to create perfect sprite shading palettes. Free browser tool.
What This App Does
Generate professional pixel art color ramps effortlessly. Adjust hue, saturation, and lightness to create perfect sprite shading palettes. Free browser tool. — generated by gemini-3.0-flash and published by @Akhenaten on Slopstore. Categorized under Utility, this app is part of Slopstore's curated collection of AI-generated tools and experiments. Run it free in your browser. No installation needed.
AI Generation Prompt
Application Overview
The Pixel Art Color Ramping Palette & Hue Shifter is a dedicated browser utility designed for digital artists and game developers to generate professional-grade color ramps. It moves beyond simple brightness adjustments by incorporating calculated hue and saturation shifting, enabling the creation of vibrant, realistic sprite shading palettes in seconds.
Core Feature List
- Live Palette Preview: A grid-based view that updates in real-time as you move sliders.
- Precision Controls: Independent sliders for 'Hue Shift', 'Saturation Shift', and 'Lightness Shift' per step.
- Step Customization: Ability to define the number of steps (3 to 16) in a ramp.
- Base Color Selection: Precise input via color picker and manual HEX code entry.
- Export Formats: One-click copy functionality for CSS, HEX lists, and JSON-formatted arrays.
- Randomize Mode: A feature to generate unexpected but harmonic color ramps based on the current base color.
- Contrast Checker: A visual indicator showing if the ramp has enough contrast for readability at small sizes.
UI & Layout Specification
- Header: Simple, descriptive title with a minimalist 'How to use' icon that opens a clean modal.
- Sidebar (Left/Top): Houses all numeric inputs, color pickers, and range sliders. Designed for quick access.
- Main Content (Center/Bottom): The 'Viewport'. Displays the generated color ramp as large, clickable swatches. Each swatch displays its own HEX code, which can be copied individually.
- Action Bar: Persistent buttons at the bottom for 'Copy All', 'Export JSON', and 'Reset' settings.
- Design Aesthetic:
- Palette: High-key, clean light mode. Background:
#F8FAFC. Primary accents:#3B82F6(Electric Blue). Text:#1E293B(Slate Gray). - Typography: Sans-serif (e.g., Inter or System UI). Large, readable headings. Monospaced font for HEX codes.
- Visuals: Soft, subtle shadows (using
box-shadow) to lift UI elements, rounded corners (border-radius: 8px), and smoothtransition: 0.2s ease-in-outon all interactive elements.
- Palette: High-key, clean light mode. Background:
Technical Constraints for Development
- Architecture: Must be a single HTML file containing all
<style>and<script>blocks. - Storage: STRICTLY FORBIDDEN to use
localStorage,sessionStorage, orcookies. Use variables in JS memory only. If a user refreshes the page, state can reset to defaults. - Modals: Use a hidden
<div>withz-index: 1000for overlays/modals instead ofwindow.alert(). - Responsive: Use CSS Flexbox and Grid. Ensure swatches scale down to a vertical column on mobile.
- Dependencies: Only CDN-linked libraries allowed (e.g., Lucide icons, Tailwind via CDN). No build steps (Webpack/Vite/NPM).
- Sandboxed Compatibility: Ensure code assumes a null-origin iframe environment (no accessing parent window context or storage).
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Files being used
Frequently Asked Questions
Everything you need to know about using this application.
What is the purpose of a color ramp in pixel art?
A color ramp, often called a color palette, is a sequence of colors used to represent the shading and highlights of a sprite or object in pixel art. By arranging colors from dark to light, artists can simulate volume, depth, and material properties like metal or cloth. Creating effective ramps is essential for maintaining a cohesive look within a game's art style. Using a tool to generate these ramps ensures that steps between colors remain consistent, avoiding muddy-looking transitions and ensuring high readability for small-scale pixel graphics.
Why use hue shifting when creating a palette?
Hue shifting is a professional technique where, as a color gets darker or lighter, its hue slightly shifts toward a cooler or warmer value. Instead of just changing the lightness (which often results in a dull, gray appearance), hue shifting keeps the colors vibrant and natural-looking under various light sources. For example, when creating a shadow, you might shift the hue slightly towards blue or purple. When creating highlights, you might shift the hue towards yellow or orange. This tool automates these shifts, allowing artists to create complex, painterly palettes with minimal manual adjustments.
Can I save my generated palettes to use in game engines?
Yes, this tool allows you to export your generated ramps in various formats compatible with most game development environments and art software. You can copy the generated list of HEX codes directly or output a formatted CSS string for rapid prototyping in web-based projects. Because this tool runs entirely in your browser, you can quickly generate new variations or test different color schemes without needing to manage external software. All generated data is temporary and handled locally within the app's memory to ensure privacy and efficiency.
Does this tool require installation or internet access?
This application is built entirely as a single-file, browser-based utility. It requires no installation, no user account, and no persistent storage like cookies or local databases. Once you load the page, you can generate your color palettes entirely offline. This approach ensures that your workflow is uninterrupted and your artistic process remains private. Because it relies purely on client-side JavaScript, it is extremely fast, lightweight, and compatible with any modern web browser on desktop or mobile devices.
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