# GridTheme
```csharp
public sealed class GridTheme
```
Namespace `SharpCell.Grid` ยท package `SharpCell.Grid`
The colours of a grid.
## Constructors
### GridTheme()
```csharp
public GridTheme()
```
Colours close to Excel's light theme, as [GridTheme.Excel](SharpCell.Grid.GridTheme.md#excel); set properties in an initializer to change some.
## Properties
### ActiveCellBorder
```csharp
public GridColor ActiveCellBorder { get; init; }
```
The border around the active cell and the selection, and the line under the headers of selected cells.
### ActiveHeaderBackground
```csharp
public GridColor ActiveHeaderBackground { get; init; }
```
Behind the headers of the rows and columns of the selected cells.
### Background
```csharp
public GridColor Background { get; init; }
```
Behind the cells.
### CellText
```csharp
public GridColor CellText { get; init; }
```
Text of cells.
### Excel
```csharp
public static GridTheme Excel { get; }
```
Colours close to Excel's light theme.
### FillOutline
```csharp
public GridColor FillOutline { get; init; }
```
The dashed border around the cells a fill handle is dragged over.
### FrozenLine
```csharp
public GridColor FrozenLine { get; init; }
```
The line where panes are frozen.
### Gridline
```csharp
public GridColor Gridline { get; init; }
```
The lines between cells.
### HeaderBackground
```csharp
public GridColor HeaderBackground { get; init; }
```
Behind the row and column headers.
### HeaderLine
```csharp
public GridColor HeaderLine { get; init; }
```
The lines between headers and around them.
### HeaderText
```csharp
public GridColor HeaderText { get; init; }
```
Header text: column letters and row numbers.
### ReferenceBorder
```csharp
public GridColor ReferenceBorder { get; init; }
```
The dashed border around the cells picked with the mouse while a formula is typed.
### SelectedHeaderBackground
```csharp
public GridColor SelectedHeaderBackground { get; init; }
```
Behind the headers of whole selected columns or rows.
### SelectedHeaderText
```csharp
public GridColor SelectedHeaderText { get; init; }
```
Text of the headers of whole selected columns or rows.
### SelectionFill
```csharp
public GridColor SelectionFill { get; init; }
```
The translucent shade over selected cells other than the active cell.