Manage your project's design system using CSS Custom Properties (Variables). Our Variable Manager helps you define colors, spacing, and typography in a visual interface. Use these variables throughout your CSS to ensure consistency and make broad theme updates as simple as changing a single value.
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CSS Variable Manager
Generate and organize CSS custom properties for your project theme
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Active Variables
Manage your design tokens
CSS variables (custom properties) are entities defined by CSS authors that contain specific values to be reused throughout a document. They are set using custom property notation (e.g., --main-color: black;) and are accessed using the var() function (e.g., color: var(--main-color);).Complex websites have large amounts of CSS, often with repeated values. For example, the same color might be used in hundreds of places.
CSS variables (custom properties) are entities defined by CSS authors that contain specific values to be reused throughout a document. They are set using custom property notation (e.g., --main-color: black;) and are accessed using the var() function (e.g., color: var(--main-color);).Complex websites have large amounts of CSS, often with repeated values. For example, the same color might be used in hundreds of places.
CSS variables (custom properties) are entities defined by CSS authors that contain specific values to be reused throughout a document. They are set using custom property notation (e.g., --main-color: black;) and are accessed using the var() function (e.g., color: var(--main-color);).Complex websites have large amounts of CSS, often with repeated values. For example, the same color might be used in hundreds of places.
CSS Output
Copy into your :root scope
:root {
--primary-color: #8b1308;
--spacing-unit: 16px;
--font-main: 'Inter', sans-serif;
}About CSS Custom Properties Manager
1
Add Variable
Click the add button and name your property (e.g., --primary-color).
2
Set Value
Use the color picker or input field to define the value.
3
Organize
Group related variables like colors, fonts, and sizes.
4
Export Root
Copy the :root CSS block into your global stylesheet.
Key Features
Type Safety
Supports Color, Length, Font, and Number variable types.
Root Export
Generates a clean :root block for your global styles.
Visual Editor
Pick colors and set values without touching code.
Design Tokens
Organize your theme into manageable tokens.
Frequently Asked Questions
The :root selector matches the document's root element (usually <html>) and is the standard place to define global CSS variables.
Use the 'var()' function with the variable name, for example: 'color: var(--primary-color);'.
Yes, you can dynamically change values using 'element.style.setProperty('--variable-name', 'new-value')' for real-time theme updates.
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