What is the meaning of Colourable?

Colourful.

Apparently true; specious; potentially justifiable.

Deceptive; fake, misleading.

  1. In appearance only; not in reality what it purports to be, hence counterfeit, feigned.

In appearance only; not in reality what it purports to be, hence counterfeit, feigned.

That can be coloured.

Source: wiktionary.org