Integer Colorizer

Renders each whole integer in a list as its own colored line, with the color chosen from a fixed rotating palette based on the integer's position in the list, purely as a visual aid for distinguishing entries at a glance; also provides a plain-text copy of the unchanged list. A free online tool from Staaarter, right in your browser.

Runs locallyUpdated 2026-07-27

Overview

Introduction

This tool takes a list of integers and renders each one as its own colored line, cycling through a fixed palette by position so every entry is easy to tell apart at a glance.

It's purely a visual aid: the coloring carries no meaning about the value itself, only about where it sits in the list.

What Is Integer Colorizer?

A list colorizer for integers, one value per line, where each line is assigned a color from a fixed rotating palette based purely on its position.

The palette has 8 distinct colors and wraps back to the start after the eighth entry, so a 20-line list repeats the same 8-color cycle two and a half times.

How Integer Colorizer Works

The list is parsed and validated first; every non-blank line must be a plain integer, or the tool reports which line failed.

Each validated value is paired with a color index equal to its position in the list (0, 1, 2, ...), and the component looks up that index's color from the shared rotating palette, wrapping with a modulo once the palette's 8 colors are exhausted.

The unmodified list is also returned separately as plain text, for a quick copy without the color styling.

When To Use Integer Colorizer

Use it to visually distinguish entries in a moderate-length list of integers, such as IDs, indices, or generated values, at a glance.

It's also handy for a quick presentation or screenshot where color makes a list of numbers easier to scan than a plain monochrome block.

Features

Advantages

  • Zero configuration: every list is colorized automatically with no options to set.
  • Deterministic: the same list always gets the exact same coloring, since color only depends on position.
  • Reuses the site's existing shared color palette, so it looks visually consistent with the hex category's colorizer tools.

Limitations

  • Purely decorative; the coloring carries no data meaning and shouldn't be relied on to convey anything about the integer's value or sign.
  • With more than 8 entries, colors repeat, so position beyond the 8th entry is only distinguishable by the label/value itself, not a unique color.
  • Requires a rendering context that supports inline color styling; the plain-text copy output has no color information.

Examples

Coloring a short list

Input

1
-2
33

Output

1
-2
33

Each line is rendered in its own color (1st, 2nd, 3rd palette colors); the plain-text copy output shows the same three values unstyled.

A list longer than the 8-color palette

Input

10
20
30
40
50
60
70
80
90

Output

10
20
30
40
50
60
70
80
90

The 9th entry (90) reuses the same color as the 1st entry (10), since the palette wraps after 8 colors.

Best Practices & Notes

Best Practices

  • Keep lists to 8 or fewer entries if you want every line to have a visually unique color.
  • Use the plain-text copy output, not the colored rendering, when you need to paste the list somewhere that doesn't support styled text.

Developer Notes

The lib returns a `segments: {text, colorIndex}[]` array (colorIndex equal to each line's position) and leaves the actual color lookup to the component via the shared `paletteColorAt` helper from the hex category's color-shared module, keeping the palette itself defined in exactly one place across categories.

Integer Colorizer Use Cases

  • Visually distinguishing entries in a list of IDs or generated values
  • Making a list of numbers easier to scan in a screenshot or presentation
  • Quickly spotting a specific line's position by its consistent color across repeated views

Common Mistakes

  • Expecting the color to indicate something about the value (like sign or magnitude); it's assigned purely by list position.
  • Assuming every entry in a long list has a unique color; the 8-color palette repeats every 8 entries.
  • Pasting the colored rendering somewhere that strips styling and expecting the colors to persist; use the plain-text copy output for that instead.

Tips

  • Reorder your input list and re-run the tool to see how the coloring shifts with position, not value.
  • Pair this with the Integer Duplicator or a generator tool to visually track duplicated or generated entries.

References

Frequently Asked Questions