30 open-source projects similar to gka/chroma.js, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
TinyColor is a JavaScript color manipulation library used for parsing, converting, and modifying colors across various formats and color spaces. It functions as a color space conversion tool and a web accessibility contrast checker to ensure compliance with readability standards. The library provides a color palette generator for creating monochromatic, analogous, and complementary color schemes from a starting color. It also translates colors between hex, RGB, HSL, HSV, and named formats. Additional capabilities include color parsing and normalization, programmatic manipulation of brightnes
randomColor is a programmatic utility for generating harmonious, aesthetically pleasing color strings for use in web stylesheets and digital user interfaces. It functions as a random color generator that produces values in hexadecimal, RGB, and HSL formats. The library uses a logic-based system that calculates hues and luminosity in HSL space to ensure visual harmony. It allows for the application of specific constraints to brightness, transparency, and hue offsets to limit the generated color spectrum. The tool provides capabilities for programmatic color generation across multiple output f
vibrant.js is a JavaScript color extraction library used to identify dominant color palettes from images based on the Android Palette algorithm. It functions as an image palette generator and a color processing tool that converts extracted data between RGB, HSL, and Hexadecimal formats. The library analyzes image pixels to categorize colors into specific profiles, including vibrant, muted, dark, and light. It also includes an accessible text color calculator that determines high-contrast hex colors for text overlays based on a selected background color. The toolset covers automated palette g
Chameleon is a color framework for Swift and Objective-C applications, providing a toolkit for managing dynamic palettes, gradient libraries, and hexadecimal conversions. It functions as a system for creating harmonious color schemes and calculating contrasting text colors based on background luminance. The project includes an image color extractor that analyzes images to generate matching color schemes or calculate average colors for user interfaces. It also features a gradient color library for creating and applying smooth transitions to backgrounds and text elements. The framework covers
This is a JavaScript color manipulation library used for converting color spaces, formatting CSS strings, and computing luminosity ratios. It provides tools to transform color values between different mathematical models, including RGB, HSL, and CMYK. The library includes a web accessibility contrast calculator to compute luminosity and contrast ratios, ensuring text readability meets accessibility standards. It also features a CSS color formatter that exports values as hex strings, numeric arrays, or CSS-compatible strings. The toolkit covers broader capabilities for frontend color manageme
Color-thief is a color quantization library and image color palette extractor designed to identify the most prominent colors in visual media. It functions as a semantic color classifier and color space converter, providing tools to extract dominant colors and generate representative palettes from images, videos, and canvas elements. The project utilizes a WebAssembly color processor and background workers to perform high-performance pixel analysis. It implements a WCAG contrast analyzer to calculate color contrast ratios and determine accessible foreground text colors based on accessibility s
Stylus is a CSS preprocessor that transforms a dynamic language into standard CSS. It utilizes a compilation workflow to enable the use of variables, nesting, and arithmetic, which are then rendered into stylesheets for use in frontend asset pipelines. The project is distinguished by a flexible syntax that allows for indentation-based styling, meaning curly braces, colons, and semicolons can be omitted. It further differentiates itself through a JavaScript-driven plugin pipeline and the ability to extend the native syntax with custom JavaScript functions for complex logic. Its capability sur
PixiEditor is a multi-functional graphics suite that serves as a pixel art editor, a node-based graphics editor, and a vector graphics tool. It functions as a shader-based painting tool and 2D animation software, providing a comprehensive environment for creating raster images and frame-by-frame motion. The project is distinguished by its use of node-based workflows for building complex image transformations, visual effects, and custom digital brush designs. It utilizes a shader-based brush engine and a node graph to define personalized painting tool behaviors and procedural animations. The
This project is an educational suite and technical guide designed for mastering video codecs and signal processing. It provides a structured curriculum through an engineering course, interactive labs, and tutorials focused on the fundamental principles of video compression and digital signal processing. The resource includes a technical guide for analyzing specific codecs like AV1, VP9, and H.265. It distinguishes itself by providing a containerized media lab, which ensures a consistent development environment for experimenting with video technology tools and notebooks. The project covers a
Gogh is a terminal emulator color scheme manager and command-line theme installer. It provides a collection of color palettes and tools to browse and apply visual themes across different terminal environments. The project utilizes a standardized library of themes defined in YAML format, allowing for a structured collection of color schemes. It includes a contrast validator that checks these schemes against WCAG accessibility standards to ensure legible text and background contrast. The system covers terminal styling and customization through an interactive selection interface, terminal detec
nightfox.nvim is a customizable Lua-based color scheme for Neovim and Vim. It provides a comprehensive visual theme with dedicated support for language server protocols, Tree-sitter, and various editor plugins. The project distinguishes itself through accessibility features, using daltonization and color simulation to increase contrast for users with color vision deficiency. It also enables dynamic theme development via hot-reloading configuration state, allowing users to refresh the active color scheme without restarting the editor. The system includes programmatic color space conversion an
mini.nvim is a comprehensive library of independent modules designed to extend Neovim with a wide array of navigation, user interface, and text manipulation tools. It serves as a modular plugin collection, a UI toolkit for creating custom statuslines and notifications, and a package manager for installing and pinning external plugins from Git. The project provides a specialized fuzzy picker framework for filtering files and symbols, an LSP completion engine with interactive snippet expansion, and a dedicated plugin test framework that uses headless editor instances and remote procedure calls
Lygia is a GLSL shader library providing a specialized suite of tools for color science, image filtering, noise generation, and implicit surface geometry. It serves as a collection of reusable functions for fragment shaders to handle color space conversion, image processing, and geometric rendering. The project is distinguished by its focus on cross-language shader management, allowing reusable functions to be synchronized across different shading languages to ensure consistent graphics behavior across multiple engines. It also implements a system for remote shader dependency resolution, fetc
Sass is a stylesheet compilation engine and CSS preprocessor that extends standard CSS with variables, nested rules, mixins, and functions. It functions as a comprehensive design system tool, enabling developers to organize complex stylesheets into modular, reusable components while automating the transformation of advanced syntax into browser-compatible CSS. The project distinguishes itself through its sophisticated build automation and language-level extensibility. It provides robust support for programmatic style generation, including conditional logic, iterative loops, and unit-aware math
This project is a curated collection of galleries and component libraries that demonstrate pure CSS visual effects, 3D transforms, animation patterns, and layout solutions. It serves as a visual catalog of interactive UI elements and graphics built exclusively with HTML and CSS. The collection distinguishes itself by implementing complex interactivity, such as state management and animation triggers, using only CSS pseudo-classes and keyframes without any JavaScript. It also features a system for generative art and algorithmic patterns, as well as spatial 3D constructions using perspective an
ImageSharp is a .NET image processing library and manipulation framework used for decoding, encoding, and modifying digital images. It functions as a comprehensive toolkit for resizing, cropping, and applying pixel-level filters while managing color profiles and pixel data across various file formats. The project integrates a 2D vector graphics engine and a typography rendering engine to draw geometric shapes, paths, and complex stylized text onto images. It also includes a geometry boolean operation library for calculating intersections, unions, and differences between complex polygons and c
Brightness is a Linux desktop utility for controlling screen luminosity and color temperature on both primary and external displays. It provides hardware and display management capabilities to adjust built-in laptop screens and secondary desktop monitors. The application includes features for managing display color profiles, allowing users to save current settings and load previously stored configurations for instant restoration. It also supports adjusting screen warmth by tuning red, green, and blue color ratios. System integration is achieved through desktop session bus communication, dire
The Book of Shaders is an interactive educational guide and curriculum for learning GLSL fragment shader programming to create procedural graphics and visual effects. It provides a structured learning path and a categorized reference guide for data types, built-in functions, and mathematical operations used in shader development. The project features a web-based shader sandbox and interactive editor that allows for real-time iteration and visualization of GLSL code. Users can experiment with procedural art and share their results via unique URLs. The curriculum covers a wide range of graphic
GoCV is a computer vision library and Go language binding for OpenCV. It serves as an image processing toolkit and deep learning inference engine, providing programmatic access to a wide range of algorithms for image manipulation, object detection, and video analysis. The project differentiates itself through high-performance native bindings and hardware acceleration. It utilizes a foreign function interface to map Go calls to C++ functions and includes a hardware-agnostic backend dispatch to route neural network tasks to computation engines such as CUDA and OpenVINO. The library covers a br
This is a Rust image processing library designed for encoding and decoding various image file formats and manipulating pixels. It provides a digital image manipulation toolkit and a set of image format codecs to read data from files and write memory buffers into standard formats. The library features a pure-Rust processing pipeline to ensure memory safety and cross-platform compatibility. It includes a pluggable hook system for dynamic format registration, allowing external crates to register custom decoders and encoders at runtime. The capability surface covers geometry manipulation for res
Mixbox is a specialized simulation engine for modeling fluid color dynamics, pigment-based hue shifts, and latent space color blending. It functions as an RGB color mixing simulator that uses pigment-based simulations and latent space interpolation to produce realistic results. The project incorporates a Kubelka Munk color engine to achieve physically accurate hue shifts and saturated gradients. It also utilizes a latent space color blender to transform colors into latent representations for precise linear interpolation and multi-color mixing. The system covers fluid dynamics for calculating
OpenVINO is an AI inference engine and model serving platform designed to execute optimized deep learning models across CPUs, GPUs, and NPUs through a unified API. It includes a model optimization toolkit for converting, quantizing, and compressing models from various frameworks, alongside a specialized generative AI runtime for large language models. The project distinguishes itself through a plugin-based hardware acceleration layer that maps neural network operations to vendor-specific drivers. It features advanced execution mechanisms such as continuous batching, speculative decoding, and
Firefox is a cross-platform web browser engine designed to render web content, execute JavaScript, and manage secure browsing sessions. It utilizes a multi-process isolation architecture that distributes browser tasks across independent operating system processes to ensure stability and prevent site-specific failures from impacting the entire application. The engine incorporates a sandboxed execution environment to restrict web content and untrusted scripts to isolated memory compartments, enforcing security policies that prevent unauthorized access to system resources. The project distinguis
This repository is a comprehensive collection of functional 2D and 3D demo projects and implementation samples for the Godot Game Engine. It serves as an interactive tutorial and reference library, providing a working codebase to demonstrate how to apply engine features in real-world scenarios. The collection focuses on practical implementation guides, covering a wide array of technical capabilities from basic engine fundamentals to advanced rendering and scripting techniques. It allows users to study the application of node-based composition, asset pipelines, and game logic through direct ex
A dead simple, zero-dependency, promise-based javascript library for extracting the dominant color(s) from an image.
This project is a multi-purpose REST API utility collection and developer suite. It serves as a centralized service for real-time information aggregation, data transformation, and a wide array of programmatic tools. The service distinguishes itself by providing a broad range of specialized content delivery endpoints, from curated daily summaries and global trending rankings to randomized entertainment content like jokes and quotes. It also functions as a real-time aggregator for environmental and network data, including weather forecasts, currency exchange rates, and public IP lookups. The c
This project is a comprehensive collection of computer science implementations and an algorithm tutorial repository. It serves as a study guide and reference for competitive programming, providing executable code examples that demonstrate fundamental algorithmic problem solving and mathematical computation. The library covers a wide range of specialized domains, including cryptography and security primitives, lossless data compression techniques, and computational geometry for spatial analysis. It also features implementations of machine learning models, linear algebra operations, and formal