CSS-in-JS Color Object Generator
STYLED
import { css } from 'styled-components';
export const colors = {
primary: '#3B82F6',
danger: '#EF4444',
};You Might Also Need
The CSS-in-JS color object generator turns a list of named colors into a JavaScript module exporting a colors object, ready for styled-components and other CSS-in-JS setups.
What is CSS-in-JS Color Object Generator?
- The CSS-in-JS color object generator works from a pair of rows — primary and danger by default — where each row pairs a name field with a colour field and a delete button.
- Add appends another row named color plus a number, seeded with a random colour.
- The panel on the right, headed STYLED, shows the module the current rows produce: an import line for styled-components, then an exported colors object with one single-quoted value per row.
What you get out is a plain ES module. Drop it into a theme file and import the object wherever a component needs a token; the keys you typed become the accessors, so a row named primary is reached as colors.primary. That is the whole contract, and it keeps the colour source in one place rather than scattered through component files as literals.
- Two details in the generated code deserve attention before you ship it, and the first is the import line.
- It brings in css from styled-components, but the exported object uses nothing from that package — the import is scaffolding that matches the conventional look of a theme file rather than something the object needs, so delete it if the file does not otherwise use the tagged template helper.
- The second is more consequential: the keys are emitted unquoted, so every name has to be a valid JavaScript identifier, and a hyphen breaks it.
- That bites the moment you press Add, because the generated name is color-3 style — paste that output without renaming and the module will not parse. Rename to camelCase or snake_case, and treat any name you type that would not survive as an unquoted key the same way.
Values are always single-quoted hex strings, so the object is portable between bundlers and needs no runtime parsing. There is no nesting, no theme provider wiring, no dark and light variants and no alpha. If you need those, the object is a starting point rather than a finished theme — which is a reasonable division of labour, since the colours are the part that changes most often and the structure around them is usually project-specific.
Compared with its neighbours, this generator is aimed squarely at JavaScript consumers. The SCSS and LESS variable generators in this domain share the same row interface but emit preprocessor syntax, the native export generators emit Android, iOS, Flutter and Figma formats, and the design token generator writes the W3C JSON shape. As a css in js color object generator it is the shortest route to a styled components colors object, a styled-components palette or a javascript color object in a file you can import immediately, and it keeps the naming decision in your hands rather than deriving names from position. If the thing you actually need is to generate colors object entries for a theme file, the row interface here does that directly, one name and one value at a time.
One thing to plan for if the file is TypeScript: the output is untyped, so you will want as const on the object or an explicit interface if other code relies on the key names. Beyond that, the output is exactly what it looks like — an import, an object, and your colours, ready to copy.
How to use CSS-in-JS Color Object Generator
- Rename the default primary and danger rows, or add new ones, using names that would be valid as unquoted JavaScript keys.
- Set each colour with the field beside its name.
- Copy the module from the STYLED panel.
- Paste it into a theme file and delete the import line if styled-components is not otherwise used there.
When to use CSS-in-JS Color Object Generator vs related tools
Use this when colours need to reach components through JavaScript — a styled-components theme, an emotion object or a plain config module. Use the SCSS or LESS generators for preprocessor syntax, or the design token generator for the W3C JSON format. A lighter JavaScript shape for the same values is the color object generator, and when the object becomes a component library's theme rather than a palette, the chakra ui color exporter writes that dialect.
Privacy & Security
This tool runs entirely in your browser — no data ever leaves your device. There is no server round-trip, no upload, no logging, and no account required. Your input is processed locally using client-side JavaScript and is never stored, transmitted, or accessible to anyone else. When you close the tab, everything disappears.