Color Picker Java Applet and Color Picker downloadable program. Use these color pickers to help choose colors for your websites, programs or office applications. Displays Decimal, RGB, VB and HTML color codes
Color Picker - UWP applications | Microsoft Docs
Multi-purpose Vue.js 2 Color Picker Component
Select Color (hex, rgb, hsl) with Iro.js - JavaScript Color Picker
A Modern Direct2D Color Picker for Plain Win32 - CodeProject