If you see the specific color of one picture or displayed in the computer screen, and you want to copy that color to your project, so your project have the same color. How to do that?
You have to know the hexa value of that color.
To know the hexadecimal value of the picture color we need the tool called WhatColor, download here, stand alone file small size, about 200KB for windows.
When you edit the picture, when you edit the template of the blog or web page, edit the color of the font, you need this tool.
Run the program, you can see the hexadecimal value follow the mouse pointer (cursor). Press F12 to copy.