Who Can Use shows the exact population of users who can read any color combination — broken down by visual impairment type and severity. Essential accessibility tool for designers who want to understand the real impact of their color choices.
How Who Can Use compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as Who Can Use does. Among the 3 that list a starting price, the cheapest is Coolors Palette Generator at $4 a month and the median is $7. 1 of the 5 offers an API; FalcoScan's records show none for Who Can Use. Who Can Use offers a web app. Of the alternatives, all 5 offer a web app. Who Can Use was founded in 2020; the alternatives were founded between 1998 and 2019, 5 of them earlier.
Market position · Design
How Who Can Use compares in Design
Who Can Use has low opportunity and sits in the bottom third of 351 live Design tools on FalcoScan. Across Design, the average opportunity score is 52.3 and the average saturation score 41.5. FalcoScan rates Who Can Use's own market position as open. 54 of the 351 operating Design tools have hot momentum, and FalcoScan has recorded 23 shutdowns in the category.
Who Can Use compared with its closest alternatives
The closest alternatives to Who Can Use that are still running, matched on the AI capabilities, uses and audience they share, are Contrast, Stark, Contrast Checker, Google Fonts, and Coolors Palette Generator.
Is Who Can Use still running?
Yes. As of 1 November 2026, FalcoScan lists Who Can Use as operating at whocanuse.com.
Does Who Can Use have an API?
FalcoScan's records show no public API for Who Can Use.
Who is Who Can Use for?
Who Can Use is built for designers.
How do I sign in to Who Can Use?
Sign in on Who Can Use's own website, whocanuse.com. FalcoScan reviews Who Can Use but does not run its accounts, so logins, passwords and billing are handled by Who Can Use directly.