Ciede2000
CIEDE2000 color distance algorithm.
The CIEDE2000 formula is the most accurate and modern color distance calculation,
published by the CIE in 2001. It improves upon previous Delta E formulas by
accounting for perceptual non-uniformities in the CIELAB color space.
Methods
public function calculate(ColorInterface $color1, ColorInterface $color2): float
Parameters
| Name | Type | Default |
|---|---|---|
$color1 |
ColorInterface | - |
$color2 |
ColorInterface | - |
public function calculateFromLab(float $L1, float $a1, float $b1, float $L2, float $a2, float $b2): float
Calculate CIEDE2000 distance from Lab values directly.
Parameters
| Name | Type | Default |
|---|---|---|
$L1 |
float | - |
$a1 |
float | - |
$b1 |
float | - |
$L2 |
float | - |
$a2 |
float | - |
$b2 |
float | - |
public function getName(): string