How many colours are generated?

Ten at a time, always. The count is fixed, and pressing the button replaces all ten rather than adding to them.

Why do the swatches appear after the page loads?

The values are generated in the browser rather than on the server, so the initial HTML and the first render cannot disagree. The grid is empty for that first moment.

Are the colours constrained to look good?

No. Each is drawn uniformly across the whole colour space, so near-blacks, near-whites and muddy mid-tones all appear regularly. It supplies variety rather than a scheme.

Can I lock a colour I like and regenerate the rest?

No. Each press replaces the entire set, and there is no seed, so a set cannot be reproduced. Copy anything worth keeping before regenerating.

What does the random color generator not do?

Used as a random hex colors supply it does one job quickly, and when you need a random color palette hex values can be copied out of, ten at a time is a more practical unit than one. For a color generator random enough to be genuinely unpredictable while still giving you copyable values, the one button and the fixed co

Random Color Generator

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The random color generator produces ten unconstrained random colors at once as copyable hex swatches, and regenerates the whole set on demand.

What is Random Color Generator?

The random color generator shows ten random colours as a grid of swatches, each with its hex value and a copy button, and a button that replaces the entire set with ten new ones. It appears after the page loads rather than in the initial HTML, because the values are generated on the client so that the server and browser never disagree about them.

Ten is the fixed count. There is no way to ask for three or for fifty, and no way to keep one swatch while the others change — pressing the button replaces everything, so a colour worth keeping should be copied first. Within those constraints the tool is about as simple as it can be: one button, ten values, nothing to configure.

The interesting property is how unconstrained the values are. Each of the ten is drawn uniformly across the whole colour space rather than from any usable band, which is what makes the tool able to generate random colors that are genuinely unpredictable rather than merely varied, so a set will typically include a few that would never be chosen deliberately: near-blacks, colours that read as muddy brownish greys because their channels happened to land close together, and the occasional almost-white. That is the nature of a uniform random hex value, and it is worth knowing rather than treating as a defect — this generator is not trying to produce a palette, and it will not.

What it is actually for is placeholders and practical decisions. Ten arbitrary values at once is a convenient supply of distinct colours for a chart with ten series, a table with ten categories, or a set of mock-ups where the colours only need to be different from each other. It is also useful in testing: a random value is a quick way to check that a component handles an unexpected colour, or that a layout survives an awkward one. And for anyone staring at an undecided colour choice, generated options are often enough to clarify what is wanted by ruling things out.

If the goal is something usable rather than merely arbitrary, the neighbouring tools are structured differently.
A random palette generator produces a smaller set that still has no relationship between its colours; the themed generators draw from bands that are known to work in a design; and an accessible palette generator filters its output so that every colour clears a contrast threshold against a chosen background.
The distinction matters — a random set is a source of variety, not a source of a scheme.

Limits: exactly ten colours per press, no history and no seed so a set cannot be reproduced, no locking or editing of individual swatches, no contrast checking, and no palette logic of any kind, since every value is independent.
Used as a random hex colors supply it does one job quickly, and when you need a random color palette hex values can be copied out of, ten at a time is a more practical unit than one.
For a color generator random enough to be genuinely unpredictable while still giving you copyable values, the one button and the fixed count are the whole interface.

How to use Random Color Generator

Load the page — ten random swatches appear.
Copy any value you want to keep from its swatch.
Press the button to replace the whole set with ten new colours.

When to use Random Color Generator vs related tools

Use this when you need a batch of clearly different colours for placeholders, categories or testing. Use a themed, palette or accessible generator when the colours have to be usable rather than merely random. For the neighbouring steps, see the flag color extractor and the brand color library.

Privacy & Security

This tool runs entirely in your browser — no data ever leaves your device. There is no server round-trip, no upload, no logging, and no account required. Your input is processed locally using client-side JavaScript and is never stored, transmitted, or accessible to anyone else. When you close the tab, everything disappears.