# CellColor
```csharp
public readonly struct CellColor
```
Namespace `SharpCell` ยท package `SharpCell`
A colour as Excel shows it, in sRGB. Theme and indexed colours of a file are turned into these when it is read; Excel ignores the alpha channel, so there is none. Colours compare by value.
## Constructors
### CellColor(byte, byte, byte)
```csharp
public CellColor(byte R, byte G, byte B)
```
A colour as Excel shows it, in sRGB. Theme and indexed colours of a file are turned into these when it is read; Excel ignores the alpha channel, so there is none. Colours compare by value.
**Parameters**
- `R`: Red, 0 to 255.
- `G`: Green, 0 to 255.
- `B`: Blue, 0 to 255.
## Properties
### B
```csharp
public byte B { get; init; }
```
Blue, 0 to 255.
### G
```csharp
public byte G { get; init; }
```
Green, 0 to 255.
### R
```csharp
public byte R { get; init; }
```
Red, 0 to 255.
## Methods
### FromRgb(int)
```csharp
public static CellColor FromRgb(int rgb)
```
A colour from a `0xRRGGBB` number.
### ToString()
```csharp
public override string ToString()
```
The colour as `#RRGGBB`.