> 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/zhong-wen-jian-ti/style-list/background-color.md).

# 背景颜色

## **函数原型**

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

### **int $color**

> 颜色常量 或 RGB 十六进制值

### **int $pattern**

> 背景图案样式，默认为实体背景

## Example

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

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