# CellFont
```csharp
public sealed class CellFont
```
Namespace `SharpCell` ยท package `SharpCell`
The font of a cell's text. A record: fonts compare by value, and `with` makes a changed copy, such as `font with { Bold = true }`.
## Constructors
### CellFont()
```csharp
public CellFont()
```
Calibri 11 in the automatic colour, as [CellFont.Default](SharpCell.CellFont.md#default); set properties in an initializer.
## Properties
### Bold
```csharp
public bool Bold { get; init; }
```
Bold text.
### Color
```csharp
public CellColor? Color { get; init; }
```
The text colour; null for automatic, which Excel shows black.
### Default
```csharp
public static CellFont Default { get; }
```
Calibri 11 in the automatic colour, the font of a new workbook in Excel 2007 to 2021.
### Italic
```csharp
public bool Italic { get; init; }
```
Italic text.
### Name
```csharp
public string Name { get; init; }
```
The font family, such as `Calibri`.
**Exceptions**
- `ArgumentException`: The name is empty.
### Size
```csharp
public double Size { get; init; }
```
The size in points, 1 to 409 as in Excel.
**Exceptions**
- `ArgumentOutOfRangeException`: The size is outside 1 to 409.
### Strikethrough
```csharp
public bool Strikethrough { get; init; }
```
Text struck through.
### Underline
```csharp
public CellUnderline Underline { get; init; }
```
The underline, if any.