Left, the original English Sound/Color Chart (copyright 1977, 1998 C. Gattegno), actual size 42 cm. X 57 cm. Right, a key to the chart.
Left, a modified English Sound/Color Chart (copyright 2001, D. Cherry), actual size 42 cm. X 57 cm. Right, a key to the chart. This chart was modified specifically for native speakers of Japanese, and the layout of the vowels respects features of the Japanese language. Consonants are arranged to reflect relationships in manner and place of articulation, and voicing.
Left, a modified English Sound/Color Chart (copyright 2004, D. Cherry), actual size 42 cm. X 57 cm. Right, a key to the chart. Monophthongs (single-color rectangles above the line) are arranged to reflect horizontal and vertical tongue position. Consonants are arranged to reflect relationships in manner and place of articulation, and voicing.

A modified Sound/Color Chart (2004)

A modified Sound/Color Chart (2001)

Original Sound/Color Chart

A modified Sound/Color Chart (2009)

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Left, a modified English Sound/Color Chart (copyright 2009, D. Cherry), actual size 42 cm. X 57 cm. Right, a key to the chart. Monophthongs (single-color rectangles above the line) are arranged to reflect horizontal and vertical tongue position. Consonants are arranged to reflect relationships in manner and place of articulation, and voicing.

A modified Sound/Color Chart (2014)

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Left, a modified English Sound/Color Chart (copyright 2014, D. Cherry), actual size 42 cm. X 59.5 cm. Right, a key to the chart. The biggest change here is in the arrangement of the vowels, which incorporate many ideas taken from the work of Piers Messum and Roslyn Young, who have developed their own set of charts that you can see here. I have also reworked the word charts to reflect changes in this sound/color chart, as well as some new awarenesses by myself, Piers, and Roslyn. You can see the modified word charts under the "word charts" tab on this site.
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A simplified Japanese hybrid Sound/Color Chart (2015)

Left, a simplfied sound/color chart I've been playing around with in my university classes, printed on A3-size paper. Right, a key to the chart. The classes meet only 90 minutes a week for two 15-week semesters. Rather than use up the first several weeks on the sound/color chart, I begin the course with the word charts. I direct students' attention to this chart when necessary. The chart addresses only vowels, and uses the five Japanese vowel hiragana. The other English vowels are arranged to reflect horizontal and vertical tongue position.are arranged to reflect horizontal and vertical tongue position.are arranged to reflect horizontal and vertical tongue position.