diff --git a/sources/TerminalStrip/ui/terminalstriplayouteditor.cpp b/sources/TerminalStrip/ui/terminalstriplayouteditor.cpp
index 1801cf318..9b1a3506a 100644
--- a/sources/TerminalStrip/ui/terminalstriplayouteditor.cpp
+++ b/sources/TerminalStrip/ui/terminalstriplayouteditor.cpp
@@ -29,6 +29,9 @@ TerminalStripLayoutEditor::TerminalStripLayoutEditor(QSharedPointer<TerminalStri
 {
 	ui->setupUi(this);
 	ui->m_graphics_view->setScene(new QGraphicsScene{ this });
+	// The preview is printed output: black ink on a white page, whatever
+	// the application palette.
+	ui->m_graphics_view->setBackgroundBrush(Qt::white);
 	ui->m_graphics_view->scene()->addItem(&m_preview_strip_item);
 	updateUi();
 }
diff --git a/sources/ui/dynamicelementtextmodel.cpp b/sources/ui/dynamicelementtextmodel.cpp
index 6ad12570a..3939d50b3 100644
--- a/sources/ui/dynamicelementtextmodel.cpp
+++ b/sources/ui/dynamicelementtextmodel.cpp
@@ -251,8 +251,10 @@ QList<QStandardItem *> DynamicElementTextModel::itemsForText(
 	QStandardItem *color = new QStandardItem(tr("Couleur"));
 	color->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
 
+	// Shown as a swatch next to the value, not as the text color: black
+	// text (the default) is unreadable on a dark palette.
 	QStandardItem *colora = new QStandardItem;
-	colora->setData(deti->color(), Qt::ForegroundRole);
+	colora->setData(deti->color(), Qt::DecorationRole);
 	colora->setData(deti->color(), Qt::EditRole);
 	colora->setData(DynamicElementTextModel::color, Qt::UserRole+1);
 	colora->setFlags(Qt::ItemIsSelectable
@@ -1500,7 +1502,7 @@ void DynamicElementTextModel::updateDataFromText(DynamicElementTextItem *deti,
 		case color:
 		{
 			qsi->child(color_txt_row,1)->setData(deti->color(), Qt::EditRole);
-			qsi->child(color_txt_row,1)->setData(deti->color(), Qt::ForegroundRole);
+			qsi->child(color_txt_row,1)->setData(deti->color(), Qt::DecorationRole);
 			break;
 		}
 		case pos:
@@ -1832,7 +1834,7 @@ void DynamicTextItemDelegate::setModelData(
 					{
 						QColor color = editor->property("color").value<QColor>();
 						qsi->setData(color, Qt::EditRole);
-						qsi->setData(color, Qt::ForegroundRole);
+						qsi->setData(color, Qt::DecorationRole);
 					}
 					return;
 				}