On Oct. 2, the artist Matthew Wong took his life in Edmonton, Canada, where he lived. He was 35, had Tourette’s syndrome and depression, and was one of the most talented painters of his generation.

That talent shines forth in “Blue,” Mr. Wong’s posthumous solo exhibition — and only his second in New York — at Karma, a gallery in the East Village. His gifts are even more convincing than in his unforgettable debut there in 2018. Clearly, the artist’s visionary fusion of form and feeling never stopped developing. True to its title, the paintings of nocturnal landscapes and interiors on view explore the infinite tones, moods and luminosities of the color blue, as do a series of gouaches displayed in Karma’s project space a few doors away from the main gallery.

[Read Mr. Wong’s obituary here.]

Mr. Wong made some of the most irresistible paintings I’ve ever encountered. I fell for the patchworks of color and stippled patterns of his landscapes at the Frieze New York art fair of 2017, in Karma’s booth. It was a visceral experience, like falling for an unforgettable song on first listen. It was deeply nourishing: my life had been improved and I know other people who have had the same reaction. Such relatively unalloyed pleasure is almost as essential as food.