Vintage Color Theory Postcards - Set of 10 snowflake From "Keep On the Sunny

From "Keep On the Sunny Side" to "In the Pines

Originally produced for naturalists and scientific folios

and kitchen spirits

but he was the foremost painter of them for the remainder of the 19th century

-Set contains 20 postcards - One of each

Vintage Color Theory Postcards - Set of 10 snowflake From "Keep On the SunnyA set of 10 Retro Color Palettes & Design Charts Graphic Design Reference Cards Artist Color Study Prints After early color theory charts and design teaching diagrams Drawn from historical color studies used by artists, printers, and educators, this collection explores the visual language of hue, tone, and balance through simplified diagrams and structured palettes. Wheels, gradients, and value scales reveal a time when color was taught as both