https://www.w3schools.com:443/colors/colors_picker.asp
HTML Color Picker
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
html color picker
https://www.tutorialrepublic.com/html-reference/html-color-picker.php
HTML Color Picker - Create Tints and Shades of Any Color
An interactive online tool that enable you fine tune your color selection by creating its lighter (tint) and darker (shades) versions along with the hex codes.
html color pickercreatetintsshades
https://html-color-codes.info/
HTML Color Codes Picker, Hex, RGB, HSL
Explore and pick html color codes using an advanced HTML color picker, palette generator, and real-time charts. Learn about HEX, RGB, HSL formats, and web...
html color codespickerhexrgbhsl