Tone colors

Many electronic dictionaries color-code characters according to their tones. The jury is still out on how helpful this really is, but there are a number of different color schemes to choose from.

The Concept


Existing Color Schemes

1st Tone 2nd Tone 3rd Tone 4th Tone Neutral Tone
Dummit red orange green light blue (none)
Pleco red green blue purple gray
Sinosplice orange green blue red gray
Hanping light blue green orange red gray
MDBG red orange green blue black

Sources and further reading