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84 packages found
A simple Node.js library for converting between different color formats and applying color adjustments and filters.
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.
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).
- accessibility
- background
- black
- bright
- brighten
- brightness
- chroma
- color
- colors
- contrast
- convert
- css
- dark
- darken
- View more
Library for converting colour codes and manipulating relative luminance and contrast ratio
- colour
- color
- contrast
- contrast ratio
- luminance
- lightness
- brightness
- saturation
- hue
- chroma
- chromator
- colour conversion
Small library to apply a brightness transformation to a image
Provides an API to get and set screen brightness.
Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)
bare-bones color luminance functions
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
A PostCSS plugin to adjust or change the brightness of a color
React Profile Editor, crop, upload, apply filters and adjust colors for your avatar image. Optimize the image size for your application
- react
- profile
- image
- image editor
- image crop
- crop image
- image filter
- filter image
- filter
- adjust
- brightness
- saturation
- contrast
- crop
- View more
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
A sorter for hexadecimal color arrays - by brightness, saturization, brightest dull color + hex color mixer.
Small library to apply a brightness transformation to a image
The convenient way to handle the color in JS
react-native-device-brightness-kwk forked
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
Average red, green, blue, alpha & brightness of an image
Screen brightness adjustment tool for ReactNative iOS and Android.