---
title: interiorColor
framework: pdfkit
role: symbol
role_heading: Type Property
path: pdfkit/pdfannotationkey/interiorcolor
---

# interiorColor

An array of floating point values or a PDF color object that annotations use to fill interior space, such as line endings, squares, or circles.

## Declaration

```swift
static let interiorColor: PDFAnnotationKey
```

## See Also

### Configuring Annotation Appearance

- [appearanceDictionary](pdfkit/pdfannotationkey/appearancedictionary.md)
- [appearanceState](pdfkit/pdfannotationkey/appearancestate.md)
- [border](pdfkit/pdfannotationkey/border.md)
- [borderStyle](pdfkit/pdfannotationkey/borderstyle.md)
- [color](pdfkit/pdfannotationkey/color.md)
- [defaultAppearance](pdfkit/pdfannotationkey/defaultappearance.md)
- [highlightingMode](pdfkit/pdfannotationkey/highlightingmode.md)
- [PDFAnnotationHighlightingMode](pdfkit/pdfannotationhighlightingmode.md)
- [iconName](pdfkit/pdfannotationkey/iconname.md)
- [quadding](pdfkit/pdfannotationkey/quadding.md)