A color value can mean several tasks. You might need the same color in a different CSS syntax, a set of related colors, or proof that text is readable on a background.
The Color tools hub keeps those jobs separate so you do not treat a palette generator as an accessibility checker.
Convert first when the color is right but the syntax is wrong
If a spec gives you HEX but the code needs rgb(), hsl(), or OKLCH, start with the color converter. The task is translation, not design.
This is the safest first step when you already trust the color and only need a copy-ready CSS value.
Build palettes when you need nearby choices
Use Color palette when one brand color needs companions. Use Color shades when you need lighter and darker steps for states, borders, surfaces, and hover styles.
Palette work helps you explore. It does not prove that any specific text and background pair is readable.
Check contrast on the exact pair
Use WCAG contrast checker when you have a foreground color and a background color. The exact pair matters: a blue that works on white may fail on a tinted surface.
If one side is fixed and the other can move, try Accessible color suggest for candidate pairs, then confirm the result with the contrast checker.
Use theme-token tools after the basics are clear
Tailwind-style, MUI, and HeroUI-style pages are useful once your direction is stable. They turn a small set of colors into copy-ready variables or theme objects, but they should come after contrast and palette decisions, not before.
A small color routine
- Translate syntax first. Make sure everyone is talking about the same color.
- Explore nearby colors second. Use palettes and shades for options.
- Check exact pairs third. Contrast is about foreground on background, not a color in isolation.
- Generate tokens last. Copy theme variables only after the accessible pairs make sense.