"Enter a foreground and background color in RGB hexadecimal format (e.g., #FD3 or #F7DA39) or choose a color using the color picker. The Lightness slider can be used to adjust the selected color."
WebAIM: Contrast Checker
Center for Persons with Disabilities | Utah State University
"p5.js is a JavaScript library for creative coding, with a focus on making coding accessible and inclusive for artists, designers, educators, beginners, and anyone else! p5.js is free and open-source because we believe software, and the tools to learn it, should be accessible to everyone."
p5.js
Lauren Lee McCarthy et al.
"a website designed to help people find and use tools, information, and subject matter expertise to build climate resilience. The Toolkit offers information from all across the U.S. federal government in one easy-to-use location."
U.S. Climate Resilience Toolkit
NOAA et al.
"We’ve curated a collection of resources from our classes and workshops for you to explore."
Tools for taking action.
Stanford d.school
"Part spreadsheet, part database, and entirely flexible, teams use Airtable to organize their work, their way."
Airtable
"Timeline JS is a free, easy-to-use tool for telling stories in a timeline format."