John
Gerrard Keulemans
Johannes Gerardus Keulemans: A Life in Feather and Brush Early Life and Education Born: June 8, 1842, Rotterdam, Netherlands. From a young age, Keulemans demonstrated an interest in the natural world, collecting animal specimens. This early passion led him to connect with Hermann Schlegel, director …
A portrait built from John Gerrard Keulemans's own colours
Every 3 approved work contributes its dominant tone to a single flowing field. Sorted along the hue wheel, the strip reads as a smooth spectrum. Click any band to reveal its full four-colour palette.
Bands follow the hue wheel; visually identical tones are merged.
Every painting, placed on the hue wheel
Each dot is a work — its angle set by hue, its distance from the centre by saturation. Hover a dot to see the painting.
The signature, in numbers
Where the colour came from
Up to 24 paintings representing the most frequent palette tones — each shown with its dominant colours.
