Jacob Christoph Le Blon, or Jakob Christoffel Le Blon, was a painter and engraver from Frankfurt who invented a halftone color printing system with three and four copper dyes using an RYB color model, which served as the foundation for the modern CMYK system.
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Photos 4
4-colour mezzotint of Louis XV by Le Blon, 1739![Page from Le Blon's 1725 Coloritto describing his RYB three-color printing process[1]](https://upload.wikimedia.org/wikipedia/commons/thumb/6/60/Le_Blon_three-color_printing.png/500px-Le_Blon_three-color_printing.png?utm_source=en.wikipedia.org&utm_campaign=parser&utm_content=thumbnail)
Page from Le Blon's 1725 Coloritto describing his RYB three-color printing process[1]
Separate prints of four plates: indigo, yellow, carmine, and bistre from a halftone color engraving by Jacob Christoph Le Blon (1738) after a painting by Hyacinthe Rigaud of Cardinal Fleury.
Finding the right shade of skin tone, test No. 6, Print by Le BonArtists from Germany 6
About this person
Jacob Christoph Le Blon, or Jakob Christoffel Le Blon, was a painter and engraver from Frankfurt who invented a halftone color printing system with three and four copper dyes using an RYB color model, which served as the foundation for the modern CMYK system. He used the mezzotint method to engrave three or four copper plates to make prints of paintings and portraits with a wide range of colors.
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