Color profile issue – image lost saturation

Testing on the image like the following I’ve totally lost the saturation on the thumbnails (tested on Firefox). Something bad must have happen with color profile. I supposed this plugin to preserve it.

https://www.cameralink.com/uploads/picture/file/51143/felixodell-landscapes-18d6784a.jpg

https://www.ads-software.com/plugins/imagemagick-sharpen-resized-images/