DxColorPalette.Groups Property

Specifies the component’s group collection.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

Declaration

[Parameter]
public RenderFragment Groups { get; set; }

Property Value

Type	Description
RenderFragment	A collection of color groups (UI fragments).

Remarks

Follow the steps below to add multiple groups of colors to the palette:

1. Add <Groups>...</Groups> to the component markup to define the Groups collection.
2. Add DxColorPaletteGroup objects to the collection. Use the Colors property to specify a palette preset or add custom colors to the palette.

Palette Presets

The Color Palette component allows you to use predefined sets of colors (presets). The following presets are available:

Universal

Universal Gradient

Fluent Theme

Fluent Theme Gradient

Pastel

Pastel Gradient

Warm

Warm Gradient

Cold

Cold Gradient

Standard

Run Demo: Color Palette - Palette Presets

The following code snippet adds two color groups that use Warm and Cold presets:

<DxColorPalette @bind-Value="@Value">
    <Groups>
        <DxColorPaletteGroup Header="Warm"
                             Colors="@DxColorPalettePresets.GetPalette(ColorPalettePresetType.Warm)" />
        <DxColorPaletteGroup Header="Cold"
                             Colors="@DxColorPalettePresets.GetPalette(ColorPalettePresetType.Cold)" />
    </Groups>
</DxColorPalette>

@code {
    string Value { get; set; }
}

Custom Colors

You can add a group of custom colors to the Color Palette. Declare a DxColorPaletteGroup object and use its Colors property to specify a collection of colors.

The Colors property accepts the following formats:

• Longhand and shorthand hexadecimal color values: #ffff00, #ff0.
• RGB and RGBA color codes: rgb(255, 0, 0), rgba(0, 230, 0, 0.3).
• HTML color name (case-insensitive): red, DarkGreen.

<DxColorPalette @bind-Value="@Value">
    <Groups>
        <DxColorPaletteGroup Header="Custom Colors" Colors="@Colors.ToList()" />
    </Groups>
</DxColorPalette>

<p><b>Selected value:</b> @Value</p>

@code {
    public List<string> Colors = new List<string> {
        "#ffffff", "#000000", "#E6E6E6", "#475467", "#4371C4", "#ED7E31", "#A5A4A5", "#FEC005", "#5A9BD5", "#72AE48",
        "#F2F2F3", "#7F7F7F", "#D0CECE", "#D4DDE3", "#DAE1F4", "#FCE5D4", "#DEECED", "#FFF2CC", "#DEEAF6", "#E1EFD9",
        "#D7D8D8", "#585959", "#AFABAB", "#ACBAC9", "#B4C5E7", "#F6CAAC", "#DBDBDB", "#FFE498", "#BCD6EE", "#C5E0B2"
    };

    string Value { get; set; }
}

Run Demo: Color Palette - Custom Colors