Hello,
Hi Mauro,
The dE can be calculated from dL*, da* & db* as it is the square
root of the sum of the squares odd L*, da* & db*. The formula below
shows how.
Using and , two colors in L*a*b*:
You can also use your own program DeltE:
http://www.adobe.com/cfusion/marketplace/index.cfm?event=marketplace.offeri…
SCNR ;-)
MfG
Thomas Richard