Path: csiph.com!.POSTED.208-71-239-109.cust.centrio.cz!not-for-mail From: Cezary Tomczyk Newsgroups: comp.lang.javascript Subject: Re: Finding a real background color of an element Date: Sun, 2 Sep 2018 19:57:44 +0200 Organization: csiph.com Internet News Service Message-ID: References: <5e2c4fe7-9a52-2552-8b5d-d269fd83e923@PointedEars.de> <1826877.oMNUckLgyt@PointedEars.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sun, 2 Sep 2018 17:57:44 -0000 (UTC) Injection-Info: csiph.com; posting-host="208-71-239-109.cust.centrio.cz:109.239.71.208"; logging-data="57073"; mail-complaints-to="admin@kev009.com" User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 In-Reply-To: <1826877.oMNUckLgyt@PointedEars.de> Content-Language: en-US Xref: csiph.com comp.lang.javascript:35550 On 02/09/2018 05:09, Thomas 'PointedEars' Lahn wrote: > Cezary Tomczyk wrote: > >> On 29/08/2018 22:12, Thomas 'PointedEars' Lahn wrote: >>> Cezary Tomczyk wrote: >>>> I am trying to figure it out how to determine a real background color of >>>> an element that is visible on the screen. >>> >>> Why? >> >> To calculate high contrast ratio. > > Why? Because I am working on https://www.aslint.org/ and implementing https://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html -- Cezary Tomczyk http://www.ctomczyk.pl/