Mondo Knows Tools
Random Color Generator
Generate random colours with hex and RGB values. Use the free random color generator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.
Mondo says
Fill in the fields, then press New colours.
How it works
A palette starter for designers, teachers and anyone stuck choosing a colour. Each draw is a uniformly random point in RGB space, and you get both the hex code and the RGB triple so it can be pasted straight into CSS or a paint order.
The formula
Each channel is drawn independently from 0-255, then combined as #RRGGBB.Random Color Generator: common questions
- What does the Random Color Generator work out?
- Generate random colours with hex and RGB values. It is one of the Randomizers & Pickers tools on Mondo Knows.
- How is the Random Color Generator calculated?
- A palette starter for designers, teachers and anyone stuck choosing a colour. Each draw is a uniformly random point in RGB space, and you get both the hex code and the RGB triple so it can be pasted straight into CSS or a paint order. The maths is short enough to check by hand: Each channel is drawn independently from 0-255, then combined as #RRGGBB.
- Do I need to sign up, and is my data stored?
- No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.
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Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.