From nobody Wed Apr 26 20:44:17 2023 X-Original-To: accessibility@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Q69pC56dBz47HSk for ; Wed, 26 Apr 2023 20:44:19 +0000 (UTC) (envelope-from pauamma@gundo.com) Received: from mail.gundo.com (gibson.gundo.com [75.145.166.65]) by mx1.freebsd.org (Postfix) with ESMTP id 4Q69pC0TPCz4PZD for ; Wed, 26 Apr 2023 20:44:19 +0000 (UTC) (envelope-from pauamma@gundo.com) Authentication-Results: mx1.freebsd.org; dkim=none; spf=pass (mx1.freebsd.org: domain of pauamma@gundo.com designates 75.145.166.65 as permitted sender) smtp.mailfrom=pauamma@gundo.com; dmarc=pass (policy=none) header.from=gundo.com Received: from webmail.gundo.com (variax.gundo.com [75.145.166.70]) by mail.gundo.com (Postfix) with ESMTP id 84B334C0322 for ; Wed, 26 Apr 2023 15:44:17 -0500 (CDT) List-Id: FreeBSD accessibility discussions List-Archive: https://lists.freebsd.org/archives/freebsd-accessibility List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-accessibility@freebsd.org X-BeenThere: freebsd-accessibility@freebsd.org MIME-Version: 1.0 Date: Wed, 26 Apr 2023 20:44:17 +0000 From: Pau Amma To: accessibility@freebsd.org Subject: Re: High Contrast Installer In-Reply-To: References: User-Agent: Roundcube Webmail/1.4.8 Message-ID: X-Sender: pauamma@gundo.com Organization: The Cabal (TINC) Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-0.34 / 15.00]; NEURAL_SPAM_LONG(0.99)[0.994]; DMARC_POLICY_ALLOW(-0.50)[gundo.com,none]; NEURAL_HAM_MEDIUM(-0.33)[-0.328]; RCVD_IN_DNSWL_MED(-0.20)[75.145.166.65:from]; R_SPF_ALLOW(-0.20)[+ip4:75.145.166.64/28:c]; RCVD_NO_TLS_LAST(0.10)[]; MIME_GOOD(-0.10)[text/plain]; RWL_MAILSPIKE_GOOD(-0.10)[75.145.166.65:from]; NEURAL_HAM_SHORT(-0.00)[-0.002]; ASN(0.00)[asn:7922, ipnet:75.144.0.0/13, country:US]; R_DKIM_NA(0.00)[]; MLMMJ_DEST(0.00)[accessibility@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; HAS_ORG_HEADER(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[pauamma]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[accessibility@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[] X-Rspamd-Queue-Id: 4Q69pC0TPCz4PZD X-Spamd-Bar: / X-ThisMailContainsUnwantedMimeParts: N On 2023-04-22 14:07, Alfonso Sabato Siciliano wrote: > The wiki page "Base system accessibility wishlist" [0] has "Check the > installer text and background colors provide enough contrast (including > as > shades of grey) and or offer options to change them.". > > bsddialog provides already a black and white theme. > Default theme: > $ bsddialog --yesno "Default Theme" 0 0 > Black and White theme: > $ bsddialog --theme blackwhite --yesno "Black and White Theme" 0 0 A useful resource for contrast requirements is https://webaim.org/articles/contrast/. (Its focus is on webpages, but it stands to reason that the minimum requirements and the example contrasts are applicable to all uses of text.) To check what contrast a color pair (foreground/background) gives users, https://webaim.org/resources/contrastchecker/ is an option. (I just added these two to https://wiki.freebsd.org/Accessibility/Resources.) -- #BlackLivesMatter #TransWomenAreWomen #AccessibilityMatters #StandWithUkrainians English: he/him/his (singular they/them/their/theirs OK) French: il/le/lui (iel/iel and ielle/ielle OK) Tagalog: siya/niya/kaniya (please avoid sila/nila/kanila)