Does every rule return five colours?

No. Complementary returns two; analogous, triadic and split-complementary return three; tetradic returns four; and only monochromatic returns five, by varying lightness instead of hue.

So how do I get exactly five colours for my brief?

Pick monochromatic, or choose a hue rule for the hue structure and add a neutral plus a text colour from the tonal tools. The page will not pad a set to a requested count.

Which rule is best for a UI palette?

Monochromatic, usually. Five lightness steps of one hue map onto surfaces, borders and text; a hue family does not, because every member sits at the same weight.

Can I request a different number of slots?

No. The rule fixes the count, and five is the maximum this workbench produces. Larger briefs go to the eight and ten colour pages, which run the same engine.

Does the page check contrast for the set?

It does not. Nothing in the output is measured for readability, so send any pair that carries text through the contrast checker before it ships.

5-Color Palette Generator

Color

Harmony

#0097e1

#3B82F6

#886cee

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The 5 color palette generator opens the base-plus-harmony workbench at a five-slot brief, and the honest detail is that only one of its six rules actually returns five colours.

What is 5-Color Palette Generator?

Most real palettes are small — four to six slots covering a surface, a couple of accents and a text colour — so a five-slot brief is common. This page answers it with the domain's standard workbench: one base colour, one harmony rule, and a strip of swatches whose length the rule decides. The rules available are the six this family always offers, and their counts are fixed, which is the fact worth knowing before starting: only the monochromatic rule delivers a five color palette, because it is the only one that varies lightness instead of hue.

Starting from the count rather than from the rule is how this page earns its keep. Ask which of the six covers the brief, then check its harmony rule count before touching the base: the 5 color palette generator reaches five slots only through the monochromatic five, whose lightness steps of 0.15 and 0.30 sit either side of the base. A brief that asks for a vibrant five usually means five hues, which none of these rules produces, and knowing that in advance turns a mismatch into a decision instead of a surprise.

Complementary — the base and its opposite, two swatches.
Analogous — the neighbours thirty degrees either side, three swatches.
Triadic — a hundred and twenty degrees apart, three swatches.
Split-complementary — a hundred and fifty and two hundred and ten degrees, three swatches.
Tetradic — ninety degrees apart, four swatches.
Monochromatic — the base's own hue at lightness steps of -0.30, -0.15, 0, +0.15 and +0.30, clamped at the ends: five swatches.

All of the hue rules work in OKLCH and move hue alone, so their swatches keep the base's lightness and chroma; the monochromatic rule is the one that keeps hue and moves lightness. That difference is why "five colours" and "a harmonious five" are not the same request: the hue rules give you a family of related hues at one weight, while monochromatic gives you a single hue across five weights that can carry surfaces and states.

No slot count control. The harmony rule is the specification, and five is the ceiling rather than a setting.
The four hue rules return fewer than five, so the page cannot fill the brief by itself for those rules.
No neutrals and no text colour: nothing in the output is chosen for readability.
No ordering, no export and no alpha handling.

Reach for monochromatic when the brief is genuinely five slots and the palette should carry surfaces as well as accents — its five lightness steps map onto backgrounds, borders and text in a way a hue family cannot. Reach for a hue rule when the five colours are five things rather than five levels, and plan to complete the set with a neutral and a text colour from the tonal tools. Either way, record which rule produced the strip: two rules can land close together, and the rule is the part that makes the palette reproducible after the fact, when two sets sit side by side in a review and only one of them matches the brief.

How to use 5-Color Palette Generator

Set the base colour with the picker field.
Choose a harmony rule from the dropdown; the strip changes length to match the rule.
Pick monochromatic if the brief needs five swatches rather than a hue family.
Complete the palette with a neutral and a text colour from the tonal tools before shipping it.

When to use 5-Color Palette Generator vs related tools

Use this when a brief specifies five slots and the harmony is still open. The 8 color palette generator and the 10 color palette generator are the same workbench for larger briefs, the shades generator extends any of these sets into a tonal ladder, and the contrast checker is the check before the palette carries text.

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.