Free Color Scheme Generator
Create complementary, analogous, triadic, split-complementary or monochromatic colours from one base colour.
Color Scheme Generator
Enter a value to begin.
How to use this color scheme generator
- Choose a base colour and harmony rule, then generate the matching HEX palette.
- Check the inputs and preview, then use the primary action.
- Download, copy or use the result shown by the tool.
How the result is calculated
The base colour is converted to HSL, deterministic hue offsets or lightness steps are applied, and the results are converted back to RGB HEX values. This is a design aid, not an accessibility guarantee.
All calculation and transformation work happens in this browser tab. No entered value is sent to an Noler Tools application server.
Important limitations
Results are provided for convenience and should be checked independently before an important decision. A format or checksum result never authenticates an identity, document, account, licence, vehicle or registration.
Frequently asked questions
Is this color scheme generator free?
Yes. It is free to use and does not require an account.
Does Noler Tools save my input?
No. The input and result remain in temporary browser memory and are not uploaded or saved by this site.