Colora - Color Picker provides you with a portable color converter/picker tool.

Colora makes color-picking from your screen easy and allows you to quickly save them. Colora works with Windows 10 and DPI scaling.

Any colors picked by Colora can be configured and converted between various formats such as RGB, Hex, HSB, HSL, and CMYK. The integrated palette tool then allows you to create color palettes from selected colors or the history of picked colors.

Colora Features:

Precisely pick colors from screen using the included screen picker with zoom

Convert any color between RGB <-> HEX <-> HSB <-> HSL <-> CMYK

Create custom color palettes and save them for later usage

Export color palettes to GIMP

Automatic history of last colors picked from screen

Pin to top and minimal size mode for handier usage

Similar:

How to Adjust Windows 10 Color Filters for the Color Blind