#protanopia

Live, measured metrics for the hashtag #protanopia from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #protanopia

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$23.52/ year · 10-character #name
Claim #protanopia — $23.52/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
16
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 16
0.2
Avg reactions / post
Mastodon · last 16
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-10-17 16:22 UTC
0
10-11
0
10-12
0
10-13
0
10-14
0
10-15
0
10-16
0
10-17

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-10-17 16:22 UTC

No related tags with measured usage found for #protanopia.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-17 16:22 UTC

Everything below is measured over the latest 16 public posts (spanning ~27149 hours).

Posting hours (UTC) — busiest: 18:00

00:0012:0023:00

Languages: English (10) · Spanish (2) · Italian (1) · German (1)

Avg boosts / post: 0.9

Top of the latest posts

  • Those of us with colour blindness, do you use colour correction on your devices? I fiddled with it on my #pixel and now that plasma wayland supports it, I'm considering turning it on. #colourblind #colourcorrection #colour #plasma #KDE #lin

    GNU/Matt :fedora: :kde:@gnuplusmatt♥ 2↻ 02024-03-21 22:11 UTCView post →
  • Ensuring #maps are #accessible for everyone means testing what someone with #ColourVision deficiency will see. #qgis preview allows this. The screenshots below contrast what someone with #deuteranopia or #protanopia will see compared with t

    Sean Jarrett@[email protected]♥ 1↻ 02024-06-27 12:03 UTCView post →
  • By the way, here's what a CAPTCHA like this looks like for someone with #protanopia.

    Camelia :tranarchy_a_nonbinary: 🇵🇸@[email protected]♥ 0↻ 02025-12-29 15:03 UTCView post →

What “protanopia” means

Wiktionary · Wikipedia

protanopia

  • nounA form of color blindness. Involves a defect in distinguishing between red and green.
Full entry on Wiktionary →

Color blindness or color vision deficiency (CVD) is the decreased ability to see color, differences in color, or distinguish shades of color. The severity of color blindness ranges from mostly unnoticeable to full absence of color perception.

“Color blindness” on Wikipedia (CC BY-SA) →

#protanopia across platforms

every network with a public tag surface

Follow #protanopia straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/protanopia