National Institute of Advanced Industrial Science and Technology (AIST)
CONCORD
Color Notation and its
Conversion Rule Database

This page is written in English. / Japanese version is here.

Introduction

Conversion of color notations

Expressive levels Color notations
Stimulus level NTSC-RGB:
display primary colors according to the NTSC standard
from RGB to LMS   down   up   from LMS to RGB
Physiological level LMS:
tristimulus values of human photoreceptive cones
from LMS to XYZ   down   up   from XYZ to LMS
Psychophysical level XYZ:
tristimulus values of the CIE 1931 standard colorimetric system
from XYZ to NCS   down   up   from NCS to XYZ
Cognitive level NCS:
color notations of the Natural Color System (Edition.1)

RIO-DB
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National Institute of Advanced Industrial Science and Technology (AIST)
 
Developed by Takashi Sakamoto @ Neuroscience Research Institute (Last update: 31/08/2007)