Indian red vs Venetian red

Indian red and Venetian red both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indian red	Yes	No	No	No
Venetian red	Yes	No	No	No

As nouns, Venetian red is a hypernym of Indian red; that is, Venetian red is a word with a broader meaning than Indian red:

Indian red: a reddish-brown color resembling the red soil used as body paint by American Indians
Venetian red: a shade of brown with a tinge of red

Other hypernyms of Indian red include burnt sienna, mahogany, reddish brown, sepia.

Indian red (noun)	Venetian red (noun)
a reddish-brown color resembling the red soil used as body paint by American Indians	a shade of brown with a tinge of red
a red soil containing ferric oxide; often used as a pigment
a red pigment composed in part from ferric oxide which is often used in paints and cosmetics