Java Color picker controls enable you to easily add a color selection dialog to your Java web application. Interface styles include Color wheel, hexagon, listbox and slider controls to help your users choose colors easily and accurately. Many of these components also offer conversions between formats such as RGB, HSL and CMYK.

Java Color Controls & Components by Eltima Software GmbH

Visual Java/SWING Components Library V4.0.20

A user-friendly replacement for a standard color selection dialog which handles RGB palette with a lot of settings. You can set this color field as a convenient popup to your edit field, selected color is shown immediately, no need to popup additional windows or frames to pick a color.