Local Processing

Color Grabber and Picker

Use this color grabber to pick a color, inspect HEX/RGB/HSL/HSV values, generate shades and copy CSS-ready snippets.

Runs locallyNo uploadYour input is processed in your browser.

Color Grabber and Picker Use this color grabber to pick a color, inspect HEX/RGB/HSL/HSV values, generate shades and copy CSS-ready snippets.

Color Picker

Pick colors, convert HEX/RGB/HSL/HSV, copy CSS variables, and generate shades.

What is this tool?

A color grabber and picker lets you choose a color, preview it, convert it between HEX, RGB, HSL and HSV, and copy ready-to-use CSS values. It is a practical bridge between visual design and frontend implementation.

Best practices

Prefer named design tokens for reusable product colors.
Check contrast before using a color for text or critical UI states.
Keep HEX, RGB and HSL values synchronized in documentation.
Use alpha values intentionally for overlays and backgrounds.
Test colors in light and dark contexts when the UI supports both.

Common errors

Copying a color without checking contrast.
Mixing alpha and non-alpha values in the same design token.
Changing HSL lightness without previewing actual UI state.
Using screenshot-picked colors that include compression or shadow artifacts.
Pasting malformed RGB or HSL strings from design notes.

Examples

Brand color conversion

Input example

#336699

Output example

rgb(51, 102, 153)
hsl(210, 50%, 40%)

Use this when design docs list HEX but implementation needs RGB or HSL.

CSS variable handoff

Input example

#2563eb

Output example

--color-brand: #2563eb;
--color-brand-alpha: rgba(37, 99, 235, 0.85);

Copy a stable token name and value for frontend implementation.

Privacy note

This tool runs in your browser. Text values are processed locally and are not uploaded to LumaTool servers.

How to use

Step 1. Pick a color with the native color control or paste a HEX/RGB/HSL value.
Step 2. Adjust alpha or shade options when needed.
Step 3. Review the live preview and generated palette values.
Step 4. Copy HEX, RGB, HSL, CSS variable or Tailwind-style output into your project.

Real-world examples

Grab a brand color and convert it into CSS-friendly formats

Grab a brand color and convert it into CSS-friendly formats.

Prepare handoff notes from a design mockup to frontend implementation

Prepare handoff notes from a design mockup to frontend implementation.

Generate lighter and darker shades for hover, border and background...

Generate lighter and darker shades for hover, border and background states.

FAQ

Can this grab a color from the screen?

The page uses browser color input and typed values. Browser support for eyedropper-style picking depends on the implemented UI and browser capabilities.

What is the difference between HEX and RGB?

HEX is a compact hexadecimal notation. RGB names the red, green and blue channels directly. They can represent the same color.

Should I use HSL for design systems?

HSL can make shade adjustments easier, but you should still preview the final color and check contrast.

What is Color Picker best used for?

Color Picker is useful for focused design tools tasks where you need a quick browser-based result without switching tools.

How is my input handled?

This tool runs in your browser. Text values are processed locally and are not uploaded to LumaTool servers.

Can I use the output in production work?

Yes, but review the result before applying it to production systems. LumaTool helps with utility work, validation, and formatting, but final decisions stay with you.

Which related tools pair well with this page?

The related tools section links to nearby workflows in the same locale so you can continue formatting, validating, converting, or checking related data.

Does this page work on mobile browsers?

Yes. The tool layout, examples, FAQ, and result areas are designed to work on both desktop and mobile browsers.