| Color Tolerance |
ΔE* |
The extent of color difference |
Standards |
| OOOOOOO |
0～0.2 |
The extent that Human can't discriminate.
It is impossible to measure the color
differences using the special adjusted
measuring instruments. |
|
The limit of
discrimination |
0.2～0.4 |
It is possible to measure the color
differences in the range of 0.2 ～ 0.4, using
the special adjusted measuring instruments.
The people who was trained can
distinguuish. |
JIS L 0804
JIS L 0805 |
Grade AAA
Color tolerance |
0.4～0.8 |
This is the limit to set up the strict color
difference standards with the decision of the
human visual. |
The particular strict
standards stipulated
between the persons
concerned. |
Grade AA
Color tolerance |
0.8～1.6 |
People can tell the color differences,
if samples are put side by side. |
The standard of the
Defense Agency.
The standard of the National Police
Agency.
The standard of
general ship
inspection. |
Grade A
Color tolerance |
1.6～3.2 |
In color comparison, this level is regarded as
unrecognized and same color in general. |
JIS Z 8721
JIS L 0809
The color tolerance of
general color chips. |
Grade B
Color tolerance |
3.2～6.5 |
Each colors of this range are regarded as
the same colors. But the clients concerning
paints and inks industry will make
complaints about the color difference. |
The allowable color
difference in color
management in
general. |
Grade C
Color tolerance |
6.5～13.0 |
This color tolerance corresponds to the color
difference of JIS standard color chips. |
JIS S 6006
JIS S 6007
JIS S 6016
JIS S 6020
JIS S 6028 |
Grade D
Color tolerance |
13.0～25.0 |
Each colors over ΔE 13 are not same color
anymore. |
JIS D 0202
JIS E 3701
JIS Z 8102
JIS Z 9101
JIS Z 9102
JIS Z 9107 |
