Summarization of discussion:
Find a palette that complies with the below listed criteria while staying true to our Wikimedia identity (trustworthy, academic, neutral, open, inviting).
WCAG 2 AA Compliant
WCAG 2 AA Compliant (18pt+)
WCAG 2 AAA Compliant
WCAG 2 AAA Compliant (18pt+)
Tools used for contrast checking: [[ http://webaim.org/resources/contrastchecker | Webaim ]], [[ http://snook.ca | Snook.ca ]], [[ http://contrastchecker.com | Contrast checker ]]
Tool used for color-deficiency simulation: [[ https://michelf.ca/projects/sim-daltonism/ | Sim Daltonism (Mac OS, iOS) ]], [[http://gmazzocato.altervista.org/colorwheel/wheel.php | Accessibility color wheel (Online tool, simulating protanopia, deuteranopia & tritanopia)
We're checking mostly on the [[ https://en.wikipedia.org/wiki/Color_blindness#Dichromacy | most common color-deficiency ]]— the Red–green color blindness (Protanopia, deuteranopia, protanomaly, and deuteranomaly).
This deficiency experience difficulty with discriminating **red** and **green** hues.
All chosen colors **must** be extensible and modular. Background colors should be able to be used with 1-3 bold/regular-weight text to long form content. This is so we can apply as little guideline as possible and let the usage be as endless as possible for all contributors.
Be mindful of the most used text colors—white and black.
Report from [[ http://contrastchecker.com | Contrast checker ]]:
Tested on [[ https://michelf.ca/projects/sim-daltonism/ | Sim Daltonism ]] for the [[ https://en.wikipedia.org/w/index.php?title=Color_blindness&redirect=no#Dichromacy | most common color deficiency ]]: