E 510 I'm trying to find a natural color, what it looks like?

hi again
I have a new S-ips display
HP zr 24w
I'm trying to find the right colors etc
,,, what this picture shows?
image has not been processed
jpg image

screen adjustments
Brightness 10
Contrast 80
Red 225
Green 214
Blue 232
Sharpness + 3

you know my poor language skills

--
Harri