A word for an array of colours?

I'm looking for a word or phrase, if there is one, that is similar to the phrase "spectrum of colours" or "array of colours" something to describe the fact that there are several different colours from all over the spectrum of colours.

I'm using it in a sentence akin to "The light glinted off of the something glass" the sentence can be reworked as long as the describer works for me I don't mind.

Solution 1:

You may use iridescent :

• Showing luminous colors that seem to change when seen from different angles.

• The light glinted off the iridescent glass.

or:

multichromatic/multicoloured/polychromatic:

• Involving more than one colour.

• showing a variety, having many colours; multicoloured.

Solution 2:

The obvious choice for me would be prismatic:

prismatic adj
brilliantly colored; iridescent TFD

It obviously works well in the context of glass.

Solution 3:

Palette was the first word to come to mind for me. As in a palette of colors a painter would use.

The light glinted off the glass palette.

Wikipedia via Imgur:

Solution 4:

Colorful sounds so simple, is there anything against that?

Multicolored or many-colored are synonymous, see for more synonyms: https://www.google.com/search?q=define:colorful

I guess simple is important if you want the reader to understand easily.