> For the complete documentation index, see [llms.txt](https://xlswriter-docs.viest.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xlswriter-docs.viest.me/english/style-list/background-color.md).

# Background color

## **Function Prototype**

```php
background(int $color, int $pattern = self::PATTERN_SOLID): self
```

### **int $color**

> color const or RGB hex

### **int $pattern**

> pattern style

## Example

```php
$format = new \Vtiful\Kernel\Format($fileHandle);

$backgroundStyle  = $format->background(
   \Vtiful\Kernel\Format::COLOR_RED
)->toResource();
```