JSPM

APCA: the Accessible Perceptual Contrast Algorithm, a modern contrast method that improves readability contrast on self-illuminated displays. Developed for the W3C's WCAG 3 and other standards.

provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

Provides an API to get and set screen brightness.

Determines the best contrast color to use. Give it a background color and it returns a foreground color (black or white by default but customizable).

Screen brightness adjustment tool for React Native

Get colors by brightness.

bare-bones color luminance functions

Nodes to help automate light states, dimming, colour and other controls.

Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)

converts [H,S,L] to [R,G,B]

React Profile Editor, crop, upload, apply filters and adjust colors for your avatar image. Optimize the image size for your application

converts [R,G,B] to [H,S,L]

Pixels.js Adapter for React (https://silvia-odwyer.github.io/pixels.js/)

Pixels.js Adapter for Node (https://silvia-odwyer.github.io/pixels.js/)

A sorter for hexadecimal color arrays - by brightness, saturization, brightest dull color + hex color mixer.

Average red, green, blue, alpha & brightness of an image

provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

Library for converting colour codes and manipulating relative luminance and contrast ratio

Get colors by brightness.

Nodes to help automate light states, dimming, colour and other controls.

Get or set screen brightness in OS X

Change the screen brightness

This plugin provides multiple functionalities including APK updates, kiosk mode, battery status monitoring, brightness control, and more for Android and iOS apps.

React Native bridge controls device screen brightness

Javascript Class for determining color names

Adjust screen brightness

Screen brightness adjustment tool for ReactNative iOS and Android.

lookup table color transforms for glslify

Helps to determine what color of text goes best for a given background, light or dark (and vice versa).

Change screen brightness on Linux systems

Get the luma (brightness) of an RGB color in GLSL. Useful for converting images to greyscale

provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

react-native-device-brightness-kwk forked

Get or set screen brightness in Windows

A high-performance React parallax library with brightness control and smooth animations

Universal gl-react which combines Contrast, Saturation and Brightness effects

Change the screen brightness

A node library to control the backlight of the official Raspberry Pi 7" touch display

Image processing CLI

Small library to apply a brightness transformation to a image

simple color operations

Delta Phi Star is a general purpose method of determining perceptual lightness contrast developed by Andrew Somers (Myndex Research), and is a sibling of APCA and SACAM. It is a simplified method using easily invertible standardized maths, however it lack

Screen brightness adjustment tool for ReactNative iOS and Android.

See Stars • a lightweight set of utilities to take an sRGB or displayP3 color, and extract the CIE Y relative luminance, and then convert to CIE L* (perceptual lightness). Takes RGB colors as simple arrays (as created with colorParsley). Bonus utilities t

React Native brightness control for iOS and Android

A simple multi-purpose module for performing various activities on android phones

A customisable React Native video player for Android and IOS

Ignix-colorkit is a versatile JavaScript library designed to streamline color manipulation tasks. With its intuitive Color class, you can effortlessly create, modify, and convert colors in diverse formats, including hexadecimal, RGB, and HSL. ignix-colork

A library for parsing colors within the sRGB color space. it includes rgb(a), hsl(a), hsv(a), hex and cmyk. It mainly focuses on web standards, which is why it has build in css support. However, it may be used in any application that follows the css color

Effects utilities

For Android and IOS

A TypeScript library for rendering brightness-controlled images in browsers, optimized for iPhone.

Screen brightness adjustment tool for ReactNative iOS and Android.

A Tailwind CSS plugin for controlling filter & backdrop-filter behaviour.

Check luminosity/brightness of an image

Programmatically adjust the brightness level of connected monitors.

Fork of react-native-system-settings that provides some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

Effects utilities

Vue.js plugin to get brightness of an image.

display control

vue3 brightness

Image utils for react native

A customisable React Native video player for Android and IOS

A PostCSS plugin to adjust or change the brightness of a color

is a small and simple package that helps make your React Native app

Small library to apply a brightness transformation to a image

Toggle the screen brightness on/off

A node module for changing screen brightness on laptops and other portable devices

The convenient way to handle the color in JS

provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

A customisable React Native video player for Android and IOS

Emulate special keys (e.g. brightness, play/pause, increase volume) by emitting low-level global keyboard events - using NodeJS.

provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

NPM module that is used for filtering images. Only on Android

👉 https://hyper.fun/c/tabler-brightness/1.3.0

Complementary hooks for expo-brightness

basic brighten algorithm for 2D texture samplers in WebGL

Button and RGB Led component for Pigpio Node.js library(reversed brightness)

A customisable React Native video player for Android and IOS

A simple Node.js library for converting between different color formats and applying color adjustments and filters.

Emulate special keys from the command line.

provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

NativeScript plugin, that helps you set the brightness of the screen for Android and iOS.

provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

Small library to apply a brightness transformation to a image

Returns whether the given rgb color array has a YIQ brightness value of less than 128 (50% brightness).

A cross platform brightness control

NPM package that allows users to brighten or shadow inputed color.