Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://social.tchncs.de/@vfrmedia" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>vfrmedia</span></a></span> Yeah, I remember when those still had yellow displays because the original idea was to use yellow as hint (i.e. indicators, fuel low) and red for critical things (low oil, low battery voltage)... </p><p>Also it took till the late 2010s for <a href="https://infosec.space/tags/BlueLEDs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlueLEDs</span></a> to become very cheap.</p><ul><li>I remember in the 2000s they were 3x the price of green, 4x the price of yellow and 5x the price of red LEDs if not more...</li></ul>