Free Color Gradient Palette Generator

Building a design system or rendering a data-visualization chart? Often you need perfectly stepped intermediate colors between two endpoints. This Color Scale Generator takes two HEX colors and mathematically interpolates them into smooth, distinct gradient steps.

How It Works

This tool blends colors by calculating the intermediate distance between the Red, Green, and Blue channels of the start and end values. By extracting the exact HEX codes via the stops on the right, you can maintain perfect uniform steps without eyeballing the color picker.

When to Use a Color Scale

• Design systems — generate a full 100–900 tint/shade scale from a single brand color.
• Data visualization — create sequential color ramps for choropleth maps or heatmaps.
• UI gradients — get intermediate stops for smooth CSS gradient backgrounds.
• Accessibility testing — check if each step in a scale passes WCAG contrast against white and black.