Skip to main content

Table 1 CIE color system

From: Impact of nanohydroxyapatite on enamel surface roughness and color change after orthodontic debonding

Color parameter

Definition

Color range

L*

Measure of lightness (value)

Ranging from black (0) to white (100)

a*

The position on red-green axis

Ranging from red (+) to green (−)

b*

The position on yellow-blue axis

Ranging from yellow (+) to blue (−)