New! Color Theory Notecards are out. Thank you all at Princeton Architectural Press!:@papress Each card features a different principle of color theory beautifully painted on the front and explained on the back.#colortheory#colormixing#watercolor#localcolor#color#colorstudies#colorgram#notecardsstationery#stationeryaddict#paperandgoods#papergoods#watercolorpainting