[1] whatwg/meta-brand-color ( ( 版)) <https://github.com/whatwg/meta-brand-color>
[2] [whatwg] brand-color meta extension ( (Tao Bai 著, 版)) <http://lists.w3.org/Archives/Public/public-whatwg-archive/2014Jun/0122.html>
[3] Intent to Implement and ship: brand-color meta tag - Google グループ ( ( 版)) <https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/nzRY-h_-_ig/KR3XWn73tDoJ>
[4] brand-color spec - Google ドキュメント ( ( 版)) <https://docs.google.com/a/chromium.org/document/d/1OipHnEozoncRZpVqSr-Reawp5O0eLWk_ySg5J6T150s/edit#heading=h.5nynd26mumm9>
[7] 2016年3月に HTML Standard に統合されました。
[9] Integrate with the Referrer Policy spec, part 1 of n ( (domenic著, )) <https://github.com/whatwg/html/commit/6a7318072f340ad45229df171245d70d8621c2fe>
[10] Clarify the definition of addColorStop() (Ms2ger著, ) <https://github.com/whatwg/html/commit/cc508ebd8427dd561ed2dc3d5d9a45a967fccf71>
[11] Clarify ASCII-case-insensitive matching for <meta>'s name (TimvdLippe著, ) <https://github.com/whatwg/html/commit/faa4c20f8f7b1f526e13cc2fc36c58bea99fb217>