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Color changing technology by PhotoChromic inks
Color changing technology by PhotoChromic inks has been around the custom screen print and advertising industries for over a decade.  The reason that this technology is still very popular among advertisers in custom screen print industry is the magical transformation of colors.  This series of PhotoChromic colors come in basic colors such as red, blue, yellow, green and purple.  When these colors are indoor and not exposed to ultraviolet light, they are almost colorless.  However, when they are exposed to ultraviolet light (including sunlight) they will gradually turn into their own colors.  The stronger light and longer expose duration, the higher the intensity of the colors.  And of course there are limits as everything else, the colors will not increase their intensity after they reach their limits.  PhotoChromic inks work the best with white t-shirts.  However they also work with light color t-shirts such as natural.  You would also want to take advantage of the magical color change by screen printing only a black and white image for the indoor image and leaves all the colors as PhotoChromic colors so they will only appear outdoor.  In this way you optimize the color transformation between a black and white image and a full color image. We recommend PhotoChromicís color changing technology for all outdoor events on t-shirts, sweatshirts and sportshirts.  Imagine when your guests witness the magical color change.  For sure thatís going to leave a long impression to them.  Please call 1-888-899-8199 or send us a request to discuss the possibility to apply color changing technique on your next t-shirt project.
Indoor condition (picture on the left) without being exposed to sun light.  Only two normal colors (black and purple) are visible even though five colors are screen printed totally.  Picture on the right shows the rest of the colors under sun light.  T-shirt with Photochromic (color changing) screen print is a very good idea for outdoor events.
Photochromic inks come in basic colors such as red, blue, yellow, green, purple and charcoal.  Since the intensity of the color has to do with the intensity of sun light at the time, it can be tricky if you want to show color gradient in photochromic colors.  We normally advise solid area application of photochromic color instead of gradient (halftone).   
An example for effective color changing t-shirt design is shown above.  Simple outline in black or dark color when it's indoor, full color when exposed to sun light.  This will maximize the visual impact and hopefully leave your audience a long lasting impression.

Color Changing Heavyweight T-shirt

Color Chaning Deluxe Grade Long Sleeve T-Shirt

Color Changing Shooter Shirt

Color Changing Heavyweight T-shirt

Color Chaning Deluxe Grade Long Sleeve T-Shirt

Color Changing Shooter Shirt

Color Chaning Tultex Fine Jersey T-shirt

Color Changing American Apparel Fine Jersey Ladies

Color Changing Tultex Fine Jersey Ladies T-Shirt

Color Chaning Tultex Fine Jersey T-shirt

Color Changing American Apparel Fine Jersey Ladies

Color Changing Tultex Fine Jersey Ladies T-Shirt

 

 

Thank you for your on-time delivery.  Everyone in the radio station really likes the shirts, caps and sport towel.  Keep up the good works.
Dianay - Los Angeles, CA
The photo image of the t-shirt comes out really nice, thank you.
Eric Fernando - Los Angeles, CA

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