Fig. 7From: The dark halo technique in the oeuvre of Michael Sweerts and other Flemish and Dutch baroque painters. A 17th c. empirical solution to mitigate the optical ‘simultaneous contrast’ effect?A Peter Paul Rubens (studio copy), Venus trying to restrain Adonis from departing for the hunt, c. 1600–1700. Oil on panel, 59 × 81 cm. Mauritshuis (The Hague), inv.no. 254. The white rectangles indicate the areas of the details shown in B and C. Image courtesy from the Mauritshuis Museum. Photography by Margareta Svensson. B IRR of a detail of Rubens’ Venus trying to restrain Adonis. C IRR of a detail of Rubens’ Venus trying to restrain Adonis. (Source: Wadum [17]). D Peter Paul Rubens and Jan Brueghel the Elder, Nymphs Filling the Cornucopia, c. 1615. Oil on panel, 67.5 × 107 cm. Mauritshuis (The Hague), inv.no. 234. The white rectangle indicates the area of the detail shown in E. Image courtesy of the Mauritshuis Museum. Photography by Margareta Svensson. E IRR of a detail of Rubens’ Nymphs Filling the Cornucopia. (Source: Wadum 17). F Anthony Van Dyck, Portrait of the Abbé Scaglia (detail), 1634. Oil on canvas, 200 × 123 cm. National Gallery (London), inv.no. NG6575. Around the head of the sitter, a dark halo can be seen through the upper paint layers. Image courtesy of the National Gallery (London). G Anthony Van Dyck, The Abbé Scaglia adoring the Virgin and Child, 1634–35. Oil on canvas, 106.7 × 120 cm. National Gallery (London), inv.no. NG4889. The white rectangle indicates the area of the detail shown in H. Image courtesy of the National Gallery (London). H IRP of a detail of Van Dyck’s The Abbé Scagllia adoring the Virgin and Child. Around the foot of the child, a dark halo can be seen. Image courtesy of the National Gallery (London)Back to article page