Kontrast
A Color Contrast Checker
mature
available in 19 distros
Alpine 3.17
Alpine 3.18
Alpine edge
Arch
Arch Linux ARM aarch64
AUR
Debian 11
Debian 12
Debian 13
Debian unstable
Devuan 4.0
Devuan unstable
Flathub
Gentoo
GNU Guix
Manjaro stable
Manjaro unstable
openSUSE Tumbleweed
PureOS landing