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ELTS offers high-quality educational products that support English language teaching for learner success in vocabulary development, oral proficiency, reading, and spelling.

If you are new to the Color Vowel Approach, we recommend you start your journey with the Teacher Starter Kit or the Fully-Equipped Classroom. Both of these products include access to our Teachers’ Lounge and lifetime membership in our private teachers’ community on Facebook.

If you have any questions about ordering, or if you wish to use a Purchase Order, contact us. For urgent matters, call Karen Taylor at 301-219-6297 between 10 a.m.-4 p.m. EST.

What Teachers are Saying...

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“We saw that teachers love using the Color Vowel Chart, so Intercambio now includes it in all curriculum we produce. For many English learners here, the CVC has led to life-changing breakthroughs around pronunciation! ”
Lee Shainis, Founder • Intercambio Uniting Communities • Boulder (CO)
“The Color Vowel System is such a fundamentally innovative and effective methodology that we built our company, Blue Canoe Learning, on it. We digitize it, scale it with speech recognition and machine learning, and create games and activities using it. Now anyone with a smart phone can play the Blue Canoe app and leverage the Color Vowel System to improve their English pronunciation and ability to communicate effectively. We are making such a wonderful impact on people’s lives, and ELTS and Color Vowel are an integral part of why we are successful!”
Sarah Daniels, CEO of Blue Canoe
“I can't thank you enough for an amazing experience [at Color Vowel Basics] this weekend. The Color Vowel Approach provides the strategy and structure I was looking for on behalf of my students. I can't wait to begin sharing it with them [next week]. The work you have done is truly remarkable. It's true that simplicity lies at the far side of complexity.
Amy Reavey, Literacy Volunteer (NJ)
“I love using the Color Vowel Chart because it works! Student feedback on the system is so positive. I have students who tell me how helpful it has been not only for pronunciation, but also for spelling, specifically for students for whom the Roman alphabet is new. English spelling and pronunciation is challenging, and I am so thankful to have this resource!”
Vanessa S. ESL Teacher, WA
“When I learned about it, I sensed that The Color Vowel Chart would be a great autonomous learning tool for students of English pronunciation, but I didn't realize that so many English teachers in Central America would agree with me. When I presented it at local TESOL Conferences, everyone pulled out their phones to take pictures of the chart and the activities we were doing in groups. There was even applause on one occasion when I told them that there are free activities they can download from the website.”
Rebecca Wilner, ESL Specialist, Washington DC
“The Color Vowel Chart allows my actor, broadcaster and executive clients to instantly see the color of the sound they are mispronouncing or mixing. The visual cuing speeds up the recognition time of the sounds! I think the Color Vowel Chart is the most brilliant thing I have ever seen. It has really changed the way we work at the Speech and Accent Academy!”
Lisa Jeffries, Executive Speech Coach (FL)
“I've used the Color Vowel Chart extensively, from tutoring individuals privately to teaching classes of International Teaching Assistants. This chart gets around the difficulty students have in hearing non-native vowel sounds (what good is it to distinguish, say, "bed" from "bead" when, to a student, both vowels sound the same?). The Color Vowel Chart lets students see the sounds instead. So even though students might not be able to hear the difference between "bed" and "bead", they can certainly recognize the difference between the colors RED and GREEN. Using this language of colors allows me to convey sounds to students without their having to hear them. Students learn to produce the sounds of the colors before their ears actually recognize the differences in vowel sounds. In this way, the Color Vowel Chart scaffolds the process of acquiring non-native phonological features.”
Charles Duquette, Maryland English Institute
“Who doesn’t love card games? My middle school students find Color it out! extremely engaging and I find it a powerful tool to introduce and review complicated sounds and spellings in English. In fact, I used Color it out! to introduce my students to the Color Vowel Chart before ever "teaching" them about it. I found it a very natural point of entry for the Chart. Since then, we have been exploring additional ways to use the Color it out! cards, such as Dominoes and Go Fish. A fantastic, fun, and very powerful resource!”
Michael Connors, E.L. Haynes Middle School, Washington DC
“One of my favorite things about the [Color Vowel] Chart is the way that it visually brings attention to the differences among the English vowels--differences that students may not be able to hear. I also like how the Chart has allowed me to incorporate pronunciation into other aspects of my classes. While students are working together on any task, if I hear a major pronunciation problem I can say, "change your vowel from 'blue' to 'mustard' for that word," and the student is usually able to improve her pronunciation.”
Jody Gabler, ESL Teacher (NY)
“This training was phenomenal. I learned an innovative but easy way to teach students about the many different sounds that vowels can make. The Color Vowel Chart is easy to learn and uses the different modalities of learning to reach every type of learner.”
K-12 ESL Teacher, Pueblo City Schools (CO)

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