Is black really a colour?
Preview text: Hey there, Gabi here. Is black a colour? Feels like it, doesn’t it? But no. In physics…
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- Subject
- Is black really a colour?
- Preview text
- Hey there, Gabi here. Is black a colour? Feels like it, doesn’t it? But no. In physics…
- From
- hello@
cmycubes.com - Brand
- CMY Cubes
- ESP
- Klaviyo
- Sent
- Tue May 12, 2026, 6:00 PM ET
- Sent to
- cmycubes.com, eu.cmycubes.com, us.cmycubes.com
- Size
- 10 KB
- Images
- 1
- Links
- 4, 3 of them buttons
- Subject length
- 25 characters
Against CMY Cubes's usual
Sent in its busiest hour, 6 PM, which holds 55% of its emails. The subject is 25 characters; its average is 23.
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