# Package org.eclipse.ui.themes

package org.eclipse.ui.themes
Application programming interfaces for interaction with and extension of the Eclipse Platform User Interface.

## Package Specification

This package provides application programming interfaces for interaction with the themes. A theme is a collection of fonts, colors, and supporting data that may be used by plugin developers to apply a certain look and feel to their components. Themes are also used by the workbench to apply look and feel to their active presentation component.

Related Packages
Package
Description
org.eclipse.ui
Application programming interfaces for interaction with and extension of the Eclipse Platform User Interface.
Class
Description
ColorUtil
Useful color utilities.
IColorFactory
A factory interface that may be used to specify a color value.
ITheme
A theme is a collection of colors, fonts and supporting data that may be used by plugins to help provide uniform look and feel to their components.
IThemeManager
A theme manager is an object that contains references to usable `ITheme` objects and maintains a reference to the currently active theme.
IThemePreview
Interface used by theme element developers to preview the usage of their elements within the colors and fonts preference page.
RGBBlendColorFactory
A reusable `IColorFactory` that may be used to blend two colors.