Kelvin Okafor is using his latest exhibition, “Drawing Awareness,” to call attention to different skin conditions, with portraits of people including model Winnie Harlow and singer Seal.

— G. K. Chesterton Consider the pencil. The ubiquitous, yellow (mostly), 7-inch, two-for-a-quarter lead pencil — the simplest, most convenient, least expensive of all writing instruments.

The Colored Pencil Society of America San Diego Chapter has a free art exhibit in the Pacific Beach Library through Aug. 9.

Known for his hyper-realistic pencil artworks, Kelvin Okafor is using his latest exhibition to call attention to visible skin differences. “Drawing Awareness,” at London’s Hope93 Gallery ...