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A
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government organization in the United States.
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L*, a*, and b* definitions
| Definition | |
|---|---|
| L* | Measurement of lightness/darkness; ranges from 0 (black) to 100 (white) |
| a* | Measurement of redness/greenness; no specific numeric limits; positive value (red), negative value (green) |
| b* | Measurement of yellowness/blueness; no specific numeric limits; positive value (yellow), negative value (blue) |
