The phrase "an array of colorful" is correct and usable in written English.
It can be used to describe a variety of vibrant or visually appealing items, often in contexts related to art, nature, or design.
Example: "The garden was filled with an array of colorful flowers, each more stunning than the last."
Alternatives: "a variety of vibrant" or "a selection of bright".
The company also offers an array of colorful, graphic decals.
Shopping for blankets to add personality to an interior, Mr. Ford began at Stella, a textiles store in TriBeCa with an array of colorful choices.
Here an array of colorful flowers spans the history of Morven, with two rows of 18th-century plants, two of 19th-century plants and one of 20th-century plants.
There is an array of colorful party dresses, handbags, shoes, hats and wigs, but also slips, stockings, a black girdle, two brassieres and an embroidered blue corset of the kind known in French as a "guepiere".
In the 1980s, drivers along parts of the Palisades Interstate Parkway, especially the New Jersey section that runs from Fort Lee north to the New York State border, began seeing an array of colorful wildflowers along the wide median strip.
The artists, Kerstin Brätsch and Debo Eilers, have suspended an array of colorful objects — a Rubik's Cube, a solidified blob of pink goo — in between see-through sheets of Mylar.
Searching the phrase "art hoe" on Tumblr, Instagram, or Twitter, will bring up an array of brilliantly colorful, creative selfies by young people of color around the world.
The new appearance of the company's operating system for mobile devices, Windows Phone 7, consists of an array of flat, colorful squares that can be easily moved around on the screen.
It is certainly true that success at delivering the first human genome sequence would have major impacts on the egos and careers of an array of aggressive, colorful people.
Long a manufacturer of a dizzying array of colorful bricks that required the touch of a child to become a real plaything, Lego started producing more and more ready-to-use figures, like the Star Wars kits it brought out in 1999 under license from Lucasfilm.
It's got a zippy array of colorful characters, including an effete criminal kingpin (Walter Pidgeon) who plays classical piano and plots with crude co-conspirators in the cushy calm of an art museum ("Rubens — is that the same guy that's got the restaurant in Broadway?"); his unlettered underling, Cortig ("There was only one eyewitness and the name is withheld".
