How to Get Color Data from Images

First, click "Open Image File" in the main menu to load an image file.
Open Image File
You can also open a file by dropping the image directly onto the canvas.
Drop Image File
When you move your mouse cursor over the displayed image, the RGB values and hexadecimal color code for that spot will be displayed in a box at the top of the canvas.
RGB presents the red, green, and blue values in order from left to right.
Color box
You can record the data of up to 5 currently displayed colors by left-clicking on the image.
color data

Handling of images

This app performs the image processing on the user's device, and does not transmit any imported images externally.
Accordingly, there is no worry of the content of the image being recorded on servers, nor of any leakage to outside parties.
Free Online Image Editor

Color Picker : Get Color Data from Images

This is a free image editor that runs in your web browser.
It allows you to edit images easily on a PC or smartphone without installing anything.
Using this tool lets you get color data from a designated point in the image with simple controls.