I didn’t find this yarn on the Steinbach website. However, all these yarns have identical characteristics:

Carina (discontinued) and Camilla by Ice Yarns https://www.ravelry.com/yarns/library/ice-yarns-carina-co...
Carina https://www.ravelry.com/yarns/library/grignasco-carina and Carina Print by Filatura di Grignasco (IT) https://www.ravelry.com/yarns/library/grignasco-carina-print
Basic Cotton https://www.ravelry.com/yarns/library/pro-lana-basic-cotton and Basic Cotton Color by Pro Lana (DE) https://www.ravelry.com/yarns/library/pro-lana-basic-cott...
Catania range by Schachenmayr (DE) https://www.ravelry.com/yarns/library/schachenmayr-catani..., ecc.
Cotone by Lana Grossa (DE) https://www.ravelry.com/yarns/library/lana-grossa-cotone-...
Limone https://www.ravelry.com/yarns/library/schoellerstahl-limone or Limone Color https://www.ravelry.com/yarns/library/schoellerstahl-limo... by Schoeller+Stahl and formerly Austermann https://www.ravelry.com/yarns/library/austermann-limone
MamaMia https://www.ravelry.com/yarns/library/stahlsche-wolle-mam... and MamaMia Color https://www.ravelry.com/yarns/library/stahlsche-wolle-mam... by Stahlsche Wolle (DE)
Carina and Carina Color or N° 2 by G-B Wolle (DE) https://www.ravelry.com/yarns/library/g-b-wolle-n2-color https://www.ravelry.com/yarns/brands/g-b-wolle
Capri https://www.ravelry.com/yarns/library/katia-capri , Capri Print https://www.ravelry.com/yarns/library/katia-capri-print and Capri Plus https://www.ravelry.com/yarns/library/katia-capri-plus by Katia (ES)
Larra by Scheepjes or formerly Larra https://www.ravelry.com/yarns/library/hws-markoma-larra by Markoma (NL) or formerly Carina by Slot Breimode (NL) https://www.ravelry.com/yarns/library/slot-breimode-carina
Quattro https://www.ravelry.com/yarns/library/lang-yarns-quattro, Quattro Color https://www.ravelry.com/yarns/library/lang-yarns-quattro-... and formerly Simply Cotton by Lang Yarns (CH)
Domino https://www.ravelry.com/yarns/library/bernetta-wolle-domino by Bernetta (CH)
Rainbow, Capri https://www.ravelry.com/yarns/library/steinbach-wolle-capri and Capri Fun by Steinbach (AT)
Capri https://www.ravelry.com/yarns/library/bct-capri by BCT (CZ)