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/////    SAPC APCA - Advanced Perceptual Contrast Algorithm
/////           Beta 0.1.9 W3 • contrast function only
/////           DIST: W3 • Revision date: July 3, 2022
/////    Function to parse color values and determine Lc contrast
/////    Copyright © 2019-2022 by Andrew Somers. All Rights Reserved.
/////    LICENSE: W3 LICENSE
/////    CONTACT: Please use the ISSUES or DISCUSSIONS tab at:
/////    https://github.com/Myndex/SAPC-APCA/
/////
///////////////////////////////////////////////////////////////////////////////
/////
/////    MINIMAL IMPORTS:
/////      import { APCAcontrast, sRGBtoY, displayP3toY,
/////               calcAPCA, fontLookupAPCA } from 'apca-w3';
/////      import { colorParsley } from 'colorparsley';
/////
/////    FORWARD CONTRAST USAGE:
/////      Lc = APCAcontrast( sRGBtoY( TEXTcolor ) , sRGBtoY( BACKGNDcolor ) );
/////    Where the colors are sent as an rgba array [255,255,255,1]
/////
/////    Retrieving an array of font sizes for the contrast:
/////      fontArray = fontLookupAPCA(Lc);
/////
/////    Live Demonstrator at https://www.myndex.com/APCA/
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