SInES Helpers: Perceptual Color Comparator

SInES Helpers: Perceptual Color Comparator (ΔE Calculator)

1. Set the values for two colors using the color wheel, HSB, RGB, or HTML inputs and compare them visually.
2. The absolute HSB differences and the ΔE (CIE76 and CIEDE2000) values are shown below.

Color 1

Hue (0-360°):

Saturation (0-100%):

Brightness (0-100%):

RGB:

HTML:

Color 2

Hue (0-360°):

Saturation (0-100%):

Brightness (0-100%):

RGB:

HTML:

Results

HSB Differences
(Hue: shortest distance in the color wheel, <180°)
Hue Difference:
Saturation Difference:
Brightness Difference:

RGB Differences

Red Difference:
Green Difference:
Blue Difference:

Perceptual color difference (ΔE)
ΔE_CIE76:
ΔE_CIEDE2000:

Lightfastness Scale in ΔE (according to ASTM D4303)

0 4 8 16 24 100

Category:

Perceptual Color Comparator© 2025 by Christoph Reuter and SInES (last modified: 25.6.2026) is licensed under CC BY 4.0
How to cite: Reuter, C. (2025). SInES Helpers: Perceptual Color Comparator. Web Application https://sinestools.univie.ac.at/colorcomparator.htm