<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <span class="h-card" translate="no"><a href="https://chaos.social/@janamarie" class="u-url mention">@<span>janamarie</span></a></span> See for comparison this datasheet, which explicitly lists both Cobalt-free and Cobalt dichloride free indicators with their color schemes.<br /><a href="https://www.advantek.com/wp-content/uploads/2016/09/220516-Humidity-Indicator-Cards.pdf" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">advantek.com/wp-content/upload</span><span class="invisible">s/2016/09/220516-Humidity-Indicator-Cards.pdf</span></a></p><p>It seems the Cobalt (II) chloride free ones are still blue/pink, and the completely cobalt-free ones are the brown/blue ones instead.</p>