I recently purchased a tube of Phthalo Blue from this brand, and I am thoroughly impressed with the results! The blue has a beautiful, vibrant color that pops off the page. Based on my experience it blends well with other colors and provides a great base for any painting... The best part is that it's affordable and lasts a long time. The only downside is that it has a tendency to be on the thicker side, which may not be ideal for some artists. Overall, if you're looking for a reliable blue for ySee full review