> For the complete documentation index, see [llms.txt](https://docs.synaps.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.synaps.app/reference/properties/stroke.md).

# Stroke

A shape's stroke is its outline — the colour, opacity, and weight of the line around it.

## Set the stroke

1. Select the shape and open its **Appearance** controls.
2. Open the **Stroke** swatch.
3. Set the **colour** with the colour picker, or type a hex value.
4. Set the **opacity** as a percentage, from 0% to 100%.

## Set the weight

The stroke **weight** (thickness) is shown in **points (pt)** in the stroke-width field.

* Type a value, or drag the field's handle to scrub it up and down.
* Check the value shown for your selection. Existing shapes and saved styles can use different weights.

## What you'll see

The outline displays the colour, opacity and weight you chose.

## Remove the stroke

Click the **minus** button beside **Stroke**.

## Related guides

[Fill](/reference/properties/fill.md).

More: [Line style](/reference/properties/line-style.md) · [Opacity](/reference/properties/opacity.md).