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136 packages found
A set of simple color 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
Create ARIA-compliant color themes based on a predominant color palette.
A powerful and fully typed color library.
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
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
Determine which record is higher-ranking in a MARC record pair
Color utilities and parsers
Small library to apply a contrast transformation to a image
React higher-order component to automatically enforce color accessibility
test whether a color is dark or light
Get relative luminance from a color string.
Evaluate if a to colors have sufficient contrast to pass WCAG requirements.
- wcag
- color
- contrast
- luminance
- contrast-ratio
- accessibility
- a11y
- relative-luminance
- color-contrast
- text-legibility
JavaScript Library for Setting Text Color According to Background-Color
A selection of a11y helpful functions for working with HEX colors.
Converts a RGG color, of a specific base palette, to a desired contrast value. This allows any primary color to be WCAG 2.0 Level AAA accessible.
Allows you to control Hue, Saturation, and Relative Luminance as if it where a color space. Inputs are the Hue, Saturation, and Relative Luminance of a color, and output is an array of RGB values ranging from 0 to 1, 0 to 255, and a string containing the
Core module for lens-filter