---
title: "Class ColorDistanceCalculator | Customer's Canvas On-Premises"
canonical: "https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.ImageProcessing.Services/ColorDistanceCalculator/"
---

# Class ColorDistanceCalculator

> **Inheritance:** `System.Object` -> ColorDistanceCalculator

###### **Namespace**: [Aurigma.DesignAtoms.ImageProcessing.Services](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.ImageProcessing.Services.md)

###### **Assembly**: Aurigma.DesignAtoms.ImageProcessing.dll

```csharp title="Syntax"
public class ColorDistanceCalculator
```

## Inherited Members

* `System.Object.ToString`
* `System.Object.Equals(System.Object)`
* `System.Object.Equals(System.Object,System.Object)`
* `System.Object.ReferenceEquals(System.Object,System.Object)`
* `System.Object.GetHashCode`
* `System.Object.GetType`
* `System.Object.MemberwiseClone`

## Constructors

### ColorDistanceCalculator

```csharp
public ColorDistanceCalculator()
```

## Methods

### ComputeColorDistance

```csharp
public double ComputeColorDistance(Color c1, Color c2, ColorSpace colorSpace)
```

##### Parameters

| Type | Name | Description |
|:---|:---|:---|
| `Aurigma.GraphicsMill.Color` | *c1* |  |
| `Aurigma.GraphicsMill.Color` | *c2* |  |
| `Aurigma.GraphicsMill.ColorSpace` | *colorSpace* |  |

##### Returns

`System.Double`

### FindNearestColor

```csharp
public Color FindNearestColor(Color targetColor, List<Color> palette, ColorSpace colorSpace)
```

##### Parameters

| Type | Name | Description |
|:---|:---|:---|
| `Aurigma.GraphicsMill.Color` | *targetColor* |  |
| `System.Collections.Generic.List<Aurigma.GraphicsMill.Color>` | *palette* |  |
| `Aurigma.GraphicsMill.ColorSpace` | *colorSpace* |  |

##### Returns

`Aurigma.GraphicsMill.Color`

### AreColorsSimilar

```csharp
public bool AreColorsSimilar(Color c1, Color c2, ColorSpace colorSpace, int tolerance)
```

##### Parameters

| Type | Name | Description |
|:---|:---|:---|
| `Aurigma.GraphicsMill.Color` | *c1* |  |
| `Aurigma.GraphicsMill.Color` | *c2* |  |
| `Aurigma.GraphicsMill.ColorSpace` | *colorSpace* |  |
| `System.Int32` | *tolerance* |  |

##### Returns

`System.Boolean`