four colors

<n>Untitled (Red)</n>, a 1956 oil on canvas by <n>Mark Rothko</n>.

A pictogram from the <n>UBC Wayfinding Icon Suite</n> by designer <n>Joshua Lee</n>.

<n>Koordinate Zvoka 2</n> poster designed by <n>Nejc Prah</n> in 2016 for a music event series in Ljubljana.

An illustration of a safety pin by <n>ツチヤチカら / 6EYES</n>.

The <n>Kurve Textile</n> in orange, designed by <n>Verner Panton</n> circa 1970.

A photograph of limes by <n>Lauren Mancke</n>.

An illustration from children's publication <n>Anorak</n>.

<n>Color Field 303</n> by artist <n>Tracy Helgeson</n>.

A <n>hot foil test print</n> by <n>Jot Paper Co.</n>

A <n>Sky Valley Orange</n> from California brand <n>Cecelia Citrus</n>.

Illustration by <n>Javier Jaén</n> for <n>The New York Times Magazine</n>.

Cover art for <n>Poetika</n>'s song <n>V BARVÁCH ANTRACITU</n>, also used as the logo for <n>Le Cadran Solaire</n>.