Free Sip Alternatives for Windows
Sip is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The most popular Windows alternative is 
Just Color Picker, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to Sip and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Sip are 
Instant Eyedropper (Free, Open Source), 
Colora (Free, Open Source), 
Pixie (Free) and 
Colorpicker (Free, Open Source).
- Just Color Picker is a tool that captures the colour of any pixel in any screen area and displays its code in a variety of formats. View 70 alternatives to Just Color Picker
- Instant Eyedropper is a free color detection tool for webmasters that will identify and automatically paste to the clipboard the HTML color code of any pixel on the screen with just a single mouse click. View 65 alternatives to Instant Eyedropper
- Color converter, screen color picker and color palettes for Windows. Colora is a small but powerful color converter and screen color picker for Windows. View 65 alternatives to Colora
- Small utility that can show you coordinates and color of any pixel on your screen in different formats (HEX, HTML, RGB, CMYK, HSV). It's staying on top, displays a color of that pixel under mouse cursor, the program can magnify that zone w/ hotkey. View 62 alternatives to Pixie
- Colorpicker is a clean, easy to use, yet efficient desktop application for color management. Pick any color on your screen with Colorpicker. View 31 alternatives to Colorpicker
- With Instant Color Picker (ICP), you can quickly pick colors from screen and store them.Pick colors from any part of your screen. View 62 alternatives to Instant Color Picker
- Free Color Picker is a program that lets you capture the color of any pixel displayed on the screen. View 42 alternatives to Free Color Picker
- Color picker. View 60 alternatives to Color Cop
Discontinued
The project isn't being developed anymore. Last commit was from 25 Sep 2015.
- Free • Proprietary
- Windows
- An advanced color picker utility, created for web-designers, graphic artists and application developers. View 71 alternatives to ColorMania
- With the pipette you are able to edit, convert and pick up colors from your screen. Pipette also supports a lot of standards or color models (RGB, CMY, CMYK, HSV, TColor and XYZ0). View 66 alternatives to Pipette