Palette Balance Analyzer

The palette balance analyzer reports the average lightness and average chroma of a palette in perceptual terms, giving two numbers that describe how heavy and how vivid the set is.

What is Palette Balance Analyzer?

• The palette balance analyzer places a palette editor beside a summary card.
• The editor holds five colours with fields to change them, removal buttons and an Add color button.
• The card reports two figures: the average lightness of the palette and its average chroma, both to two decimal places, recalculating as the palette changes.

Both numbers are computed in a perceptual colour model, which is what makes them worth reading. The palette average lightness is the mean of each colour's perceived brightness on a scale from zero to one, so a palette of four mid-tones and one near-black reports slightly below the middle, and a palette of pale tints reports high. The palette chroma average — the mean distance from grey on the same scale — tells you how colourful the set is, so a group of muted colours reports low and a group of vivid ones reports high. To analyze color palette weight, those two numbers are the summary that matters most. Together they characterise a palette on its two most important global axes: how light it is, and how colourful it is.

The practical use is comparison, and it is also the answer to how to check palette balance across a set of candidates. Read the two figures for a palette, write them down, load the next one, and read them again. Two palettes with a similar average lightness and chroma will feel like siblings even when their hues differ completely, and a palette that has been refined by eye across several sessions can be checked against a reference to see whether it has drifted towards brighter or more saturated colours — which it will have, because the eye recalibrates as you work and small individual adjustments accumulate. Since the figures are means of a perceptual measure, they also travel between palettes of different sizes, so a five-colour set and a nine-colour one are comparable.

• What the tool deliberately does not do is offer a verdict.
• There is no ideal average, no target band and no warning, because what counts as balanced depends on the brief: a muted editorial palette and a vivid game palette are both balanced on their own terms.
• It is a measurement, not an assessment, and the judgement stays with whoever is looking at the two numbers.

The corollary is the main limitation, and it is a real one. A mean hides its distribution completely. Two near-black colours and two near-white ones average to a comfortable mid lightness, as does a palette of four mid-tones — and those two palettes will behave nothing alike in a design, one being a high-contrast pair with no middle and the other a low-contrast set with no extremes. Averages also cannot tell you whether a palette has the range a design needs, whether its colours are related to each other, or anything at all about hue, since hue is the axis the tool ignores entirely. Reading the two figures as a whole-palette summary rather than as a description of its colours is the correct use.

Within those limits, as a palette balance analyzer it does one thing usefully: it puts a number on the two properties that are hardest to judge by eye and easiest to drift on. For checking that a palette has a defensible average lightness and chroma — or for comparing several candidates against each other — the summary card is quick, and it is a useful sanity check before a palette is handed to someone else.

How to use Palette Balance Analyzer

1. Load the palette into the editor, editing or adding colours as needed.
2. Read the average lightness figure to see how heavy the set is overall.
3. Read the average chroma figure to see how vivid it is.
4. Compare the two numbers across palettes to tell whether they feel like siblings.

When to use Palette Balance Analyzer vs related tools

Use this when comparing candidate palettes or checking that one has drifted. Use the accessibility or contrast tools when the question is whether particular colours are usable rather than how the palette weighs overall. The visual weight analyzer shows how a palette's lightness orders on screen, and the contrast checker supplies the pairing verdict the summary deliberately withholds.

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.

Frequently asked questions about Palette Balance Analyzer