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CSS Palette and Gradient Generator

Create useful color combinations for UI work and export reusable gradient tokens for buttons, cards, heroes and visual systems.

📘 Theory

Design with tokens, not loose values

The output should support a real system, not just one isolated screen.

Start with a base color and derive variations with HSL or other controlled adjustments so the palette feels related rather than random.

Check contrast before exporting anything. A pretty gradient that breaks button readability is not a usable result.

  • Useful tokens: `--color-primary`, `--color-secondary`, `--gradient-main`.
  • Angle and saturation are often the most valuable early controls.
  • Keep the base palette focused instead of introducing too many competing colors.

Export to reusable CSS

The generator should output code that can go straight into a design system.

🧪 Learn by doing

Example Demo: visual palette + gradient generator Explore a responsive palette with variations, harmonies and exportable CSS ready to reuse.

🏁 Challenges

Challenge Challenge: export color tokens Create CSS variables and apply the main gradient token to a landing header.

🧰 Resources

Test

Check your knowledge with a test about CSS.

Test for CSS

What is this?

I'm Cristian Eslava and I sometimes build websites so both you and I can learn and experiment. culTest

I made this in February 2026 to make learning easier for my students. The idea is to learn web development by practicing and to keep expanding the project with new topics, tests and challenges.

It draws inspiration from MDN, W3Schools, CodePen, Manz and many other web development references. I wanted to combine useful theory, runnable examples, challenges and the testing system I had already built for culTest. culTest

If you liked it, if you didn't, or if you want to get in touch, write to me at cristianeslava@gmail.com