Acclimate it to strong sunlight, then you will be certain as full sun really brings out the color.

The sunlight brings out the colors on sunset jades and, as Sans2014 says acclimate to strong/full sun and the colors in time will amaze you. This is a case where the tag states something that is true but, not entirely. Although you can grow it indoors, it will never thrive and be colorful as when grown in full sun. --Best

Emphasis on Acclimate. Plan on taking two or three weeks to work it out into full sun. Putting it out directly will probably scorch it.

Thank you for the replies. I placed it on a window sill for now. We shall see :)