Brightness | npm.io

Programmatically adjust the brightness level of connected monitors.

1.3.15 • Published 1 year ago

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.

CSS HTML PDF RTF sRGB RGB P3 displayP3 Adobe RGB LCh

0.1.9 • Published 4 years ago

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

colour color contrast contrast ratio luminance lightness brightness saturation hue chroma

0.0.9 • Published 2 years ago

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

color manipulation hex rgb hsl brightness filter

1.0.2 • Published 2 years ago

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

color rgb dark yiq contrast brightness

1.0.1 • Published 2 years ago

Javascript Class for determining color names

color color name match brightness hue value saturation is color is lightness

0.1.3 • Published 10 years ago

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

color rgb rgba hex hsl hsla hsv hsva cymk cmyk

0.9.4 • Published 4 years ago

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

text color contrast luminocity brightness luminance font color foreground

0.2.1 • Published 4 years ago

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

CSS HTML PDF RTF sRGB RGB P3 displayP3 Adobe RGB LCh

0.0.1 • Published 4 years ago

A customisable React Native video player for Android and IOS

react-native react-native-video videoplayer video player gesture control volume brightness progress

1.0.4 • Published 4 years ago

「时空壶专用」 provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...

react-native system setting volume wifi brightness location bluetooth airplane

1.7.8 • Published 5 years ago

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

react-native image filter android color grayscale red green blue contrast

1.0.8 • Published 5 years ago

Adjust screen brightness

react-native ios android screen-brightness device-brightness control-brightness brightness

1.0.3 • Published 1 year ago

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

CSS CSS3 CSS4 CSS5 HTML PDF RTF sRGB RGB P3

0.0.1 • Published 4 years ago

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

typescript library pixels image filters node processing web canvas filter

0.0.1 • Published 2 years ago

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

raspberry pi pigpio button led rgb brightness

0.1.1 • Published 6 years ago

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

react pixels Pixels.js filter image colors brightness contrast saturation canvas

0.5.9 • Published 2 years ago

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