# Color-Changing Thai Teas Kay’s Boutique Café's Bluebell Vine Tea Turns from Blue to Purple By Katherine Pendrill | Published 2018-05-13 | Lifestyle Source: Trend Hunter, https://www.trendhunter.com/trends/bluebell-vine-tea References: [thedailymeal](https://www.thedailymeal.com/drink/color-changing-tea/051018) & [instagram](https://www.instagram.com/kaysboutiques/) Keeping pace with the growing popularity of [color-changing food and drinks](https://www.trendhunter.com/trends/radical-rita), Kay’s Boutique Café has created a unique drink called the Bluebell Vine Tea, which turns from a vibrant blue to purple. Kay’s Boutique Café is a Bangkok-based café that is currently hosting a breakfast pop-up in New York City. While the café is well known for its artisanal French toast, it is also making headlines for its [color-changing Bluebell Vine Tea](https://www.trendhunter.com/trends/tealeaves-x-pantone). The colorful refresher is a cold tea made with Thai bluebell vine, which is also known as butterfly pea. The blue-hued vine is first boiled in water before it is combined with coconut water, ice, and a splash of lemon juice. The acidic properties in the lemon makes the color of the tea change from blue to purple for an [Instagram](https://www.trendhunter.com/trends/colorful-hot-chocolate)-friendly drinking experience. Image Credit: *Kay’s Boutique Café.* ## Trend Insights (Trend Hunter) - Score: 6.1/10 - Popularity: 82% | Activity: 93% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Lifestyle](https://www.trendhunter.com/lifestyle) > [Drinking](https://www.trendhunter.com/drinking) ## Key Themes ### Key Themes Behind This Trend - **Color-changing Food and Drinks:** Creating beverages and dishes that change color offers a visually appealing and engaging experience for consumers. - **Artisanal Breakfast Pop-ups:** Bringing unique and high-quality breakfast options to different locations allows for increased brand exposure and customer reach. - **Incorporating Butterfly Pea in Drinks:** Exploring different ways to incorporate the vibrant color and health benefits of butterfly pea into beverage offerings can attract health-conscious and visually-oriented consumers. ### Where This Applies - **Cafes and Coffee Shops:** Cafes can differentiate themselves by offering unique and visually stunning beverages that attract social media-savvy customers. - **Food and Beverage:** Food and beverage companies can experiment with color-changing ingredients like butterfly pea to create innovative and eye-catching products. - **Hospitality and Events:** Hotels, restaurants, and event venues can incorporate color-changing food and drinks to enhance the guest experience and differentiate themselves from competitors. ## Related on Trend Hunter - [Color-Changing Drink Drops](https://www.trendhunter.com/trends/blure.md) - [Moody Blue-Hued Tea Ranges](https://www.trendhunter.com/trends/bigelow-butterfly-pea-flower.md) - [All-Natural Color-Changing Spirts](https://www.trendhunter.com/trends/unicorn-distillery.md) - [Butterfly Pea Flower Powders](https://www.trendhunter.com/trends/butterfly-pea-flower-powder.md) - [Naturally Blue Absinthe Spirits](https://www.trendhunter.com/trends/absinthia-absinthe-bleue.md) - [Color-Changing Cocktail Drinks](https://www.trendhunter.com/trends/platypus-punch-cocktail.md) - [Botanical Violet-Hued Vodkas](https://www.trendhunter.com/trends/butterfly-lavender-vodka.md) - [Purple Yam Iced Lattes](https://www.trendhunter.com/trends/ube-brulee-iced-latte.md) - [Botanical-Inspired Beverages](https://www.trendhunter.com/trends/botanical-inspired-beverages.md)