That link also shows Gator, Gobi and PunknCheck this out, could it be correct !?! It has red velvet pearl, sarge green and ceramic gray listed as touch up paint for the 2021 gladiator. It also has all of the 2020 colors listed.
https://www.automotivetouchup.com/touch-up-paint/jeep/2021/gladiator/
I do a search about once a week for 2021 gladiator colors and that’s the first time I saw that site pop up, so maybe it was just added.