Ocre Havane (= havane ochre) is the only orange hue of the ochres of Vaucluse. It is manufactured in Apt by Ocres de France.
This pigment is 100% natural. 

Pigment fabriqué par la Société des Ocres de France

L'ocre abricot de Puisaye (= apricot ochre from Puisaye) is extracted in a clay quarry of Puisaye (whose "discovery" is ochre), in the Bourgogne area, then baked, grinded and conditioned in the factory of Ocres de France, in Apt. 
This pigment is 100% natural. 

Pigment made by Ocres de France

Orange Ercolano is a synthetic pigment without any danger for health or the environment, manufactured in Italy.

Corail is a pigment preparation created by Ocres de France in 2019. 
This pigment is synthetic, without any danger for health or the environment. It is composed of 91 % natural ingredients.

Pigment made by Ocres de France

Orange 960 is a synthetic pigment without any danger for health or the environment, manufactured in Allemagne.

Orange fluorescent (= fluorescent orange) is a 100% synthetic pigment, exclusively for decoration and fine arts.