Single file
Runs from one file with no installation.
Shows the color wherever you point the mouse.
Press Print Screen to copy that color and paste it where you need it with Ctrl+V.
Runs from one file with no installation.
Shows the color under the pointer as a value and a swatch.
Press Print Screen on the color you want and it goes to the clipboard.
Use the copied color with Ctrl+V in image editors, web pages or documents.