Based on the images and PorterDuffModes in this page I downloaded images, initially even though they are png they had light and dark gray rectangles which were
cloudera
graph-data-science
tap
clearcase-ucm
standardjs
enscript
hp-alm
pangolin
brms
telerik-open-access
webi
byval
nullish-coalescing
ex-mode
picturebox
svg-map
clause
facebook-marketing-api
pyfakefs
swift3
ghost-blog
unirest
pretty-urls
nsobject
pathconf
testfx
azure-iot-hub-device-update
azure-ad-b2c
android-layout-weight
gflags
