Color shade tool

A precise color shade tool for designers and developers to generate harmonious shades from a base color, with accessibility checks and exportable codes.

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About This Tool

The color shade tool generates repeatable color ramps and palettes from a single base color. It targets designers, front-end developers, and product teams who require consistent color systems for branding and UI components. Conceptually, the tool treats color as a controllable space: you provide a base color, then derive shades by adjusting lightness, saturation, and optionally rotating hue to create harmonious relationships. It supports multiple harmony methods (analogous, complementary, triadic, monochromatic) and outputs a structured palette with both HEX and RGB representations. Core value lies in predictable reuse: colors remain cohesive across components, with built-in accessibility guidance. Advanced features include named palettes, multiple export formats (CSS variables, JSON, SCSS), and live previews that reflect parameter changes in real time. Use cases include branding color ramps, UI component libraries, and marketing materials where consistency and contrast are critical. The tool enables quick iteration of color systems, while preserving a reference palette for handoff to developers and designers. Distinctive value comes from combining precise color mathematics with accessibility-aware outputs and easy integration into codebases. Core features are base color input, shade generation, harmony options, contrast estimation, and export capabilities; advanced options include multiple palette names, export formats, and contrast-driven adjustments. Typical workflows involve selecting a base color, choosing a harmony mode and shade count, validating contrast against a target background, and exporting CSS variables or JSON for reuse in design tokens and style sheets.

How to Use

  1. Provide inputs: enter a base color in HEX, RGB, or HSL.
  2. Choose a harmony mode and number of shades.
  3. Adjust lightness, saturation, or apply hue rotation for variations.
  4. Review generated palette and contrast recommendations.
  5. Export as CSS variables, JSON, or SCSS and integrate into your project.
How to use color shade tool

Frequently Asked Questions

Find Quick Answers

What input formats are supported for the base color?
The tool accepts HEX (#RRGGBB or #RGB), RGB(r,g,b), and HSL(h,s,l) inputs in standard CSS syntax. Case-insensitive hex values are supported. Invalid formats return a safe default color and log a non-fatal validation note.
Can I export palettes in multiple formats?
Yes. Palettes can be exported as CSS variables, JSON arrays, or SCSS variable blocks. Each export includes the color values in HEX and RGB, plus optional contrast guidance and text color recommendations.
How does the tool handle accessibility?
The tool computes WCAG 2.1 contrast ratios against a reference background and flags shades that fail the 4.5:1 threshold. It provides suggested lighter or darker variants to meet accessibility requirements.
Can I reuse palettes later?
Palettes can be saved by exporting their JSON representation or by exporting named palettes for import into design token systems. This enables consistent reuse across projects and teams.

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