<?php return [ // RGBA (hex) [ 'AA', 'FFAABBCC', ], // RGBA (decimal) [ 170, 'FFAABBCC', false, ], // RGB (hex) [ 'AA', 'AABBCC', ], // RGB (decimal) [ 170, 'AABBCC', false, ], [ '00', '00FFFF', ], [ 0, '00FFFF', false, ], ];