PNG/MNG Colorspace chunks

PNG with no
colorspace info
 :
cubenocs.png
PNG with iCCP
(sRGB profile)
and gAMA:
cubeiccp.png
PNG with sRGB
chunk and gamma:
cubesrgb.png
PNG with gAMA
chunk (1/2.2):
cubegamm.png
MNG with no colorspace
info
 :
cubenocs.mng
MNG with iCCP
(sRGB profile)
and gamma:
cubeiccp.mng
MNG with sRGB chunk:
 
cubesrgb.mng
MNG with gAMA
chunk (1/2.2):
cubegamm.mng

This entire page, with images, is available for download as a gzipped tar file.