Issue #3217926 by mherchel, andy-blum, jwitkowski79: Olivero: Rename and consolidate all color CSS variable names

Issue #3217924 by mherchel, kostyashupenko, andy-blum, jwitkowski79: Olivero: Convert all colors (blues and grays) to HSL and normalize hues and saturations.

Issue #3225241 by mherchel, andy-blum, Gauravmahlawat, shaal, jwitkowski79, nod_: Olivero primary menu JS completely breaks if site-builder specifies over 2 levels deep

Issue #3211616 by mherchel, Gauravmahlawat, lauriii, bnjmnm, ckrina, xjm, rikki_iki, jwitkowski79: Olivero: a11y color contrast test fail for primary button on hover

Issue #3225188 by mherchel, dipakmdhrm, Gauravmahlawat, jwitkowski79: Olivero: Ensure proper visual hierarchy between headings

Issue #3191725 by mherchel, kostyashupenko, Kristen Pol, andy-blum, lauriii, proeung, Gauravmahlawat, jwitkowski79, katannshaw: Ensure that tabledrag user interface is usable within Olivero

Issue #3186349 by mherchel, anmolgoyal74, bnjmnm, andrewmacpherson, jwitkowski79, rainbreaw, proeung, benjifisher, lauriii: Major accessibility problems with Olivero header show/hide feature

Issue #3194350 by mherchel, alexpott, oksana-c, lauriii, jwitkowski79, katannshaw, andrewmacpherson, ressa: Implement new form element designs for Olivero

Issue #3180280 by komalk, mherchel, sulfikar_s, ranjith_kumar_k_u, proeung, jwitkowski79: [Olivero Theme] [Design QA]: Reduce the letter spacing within the Subnav menu items

Issue #3177318 by mherchel, proeung, kostyashupenko, jwitkowski79: Identify and add maintainers for Olivero theme to MAINTAINERS.txt and other respective places

Issue #3111409 by mherchel, proeung, larowlan, alexpott, lauriii, Gábor Hojtsy, andrewmacpherson, catch, xjm, andypost, rahulrasgon, rabbitlair, mrconnerton, poojakural, boulaffasae, jerseycheese, shimpy, Indrajith KB, DuneBL, kiran.kadam911, komalkolekar, keboca, hawkeye.twolf, andrewozone, Maithri Shetty, alexdmccabe, sd9121, Sreenivas Bttv, katannshaw, mgifford, nod_, webchick, mtift, rainbreaw, Berdir, brianperry, thejimbirch, Dom., q0rban, nitesh624, hansa11, himanshu_sindhwani, kostyashupenko, shaktik, bnjmnm, sharma.amitt16, sonam.chaturvedi, steinmb, shaal, ressa, Ramya Balasubramanian, Sebacic, pradeepjha, tanmaykadam, thedrupalkid, vinitk, volkswagenchick, viappidu, vebrovski, Ujval Shah, Webbeh, Yuri, trebormc, msuthars, mrinalini9, bash247, chetanbharambe, ellenoise, anevins, andriyun, CocoM, JayKandari, ambuj_gupta, hussainweb, jhodgdon, Pooja Ganjage, ju.vanderw, jwitkowski79, MaxPah, Lokender Singh2, jponch, KarenS, KarinG, Lal_: Add new Olivero frontend theme to Drupal 9.1 core as beta; later make it stable and the default