Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Deborah Pickett @futzle@old.mermaid.town

3/11/2026, 8:33:38 AM

Public

If you’ve got colour vision you’ve probably played this visual perception game already today. I’ve played it a few times and this is my best score.

What's My JND? 0.0016
Can you beat it? https://www.keithcirkel.co.uk/whats-my-jnd/?r=AJshKP___O8d

What's My JND?

Find your Just Noticeable Difference in colour perception. How small a colour difference can you actually see?

www.keithcirkel.co.uk

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