Black - the result of the absence or complete absorption of visible light.
Pixel - a basic logical unit in digital graphics.
This black pixel is handcrafted byte by byte in order to provide a minimal valid single-pixel image file, having a size of only 35 bytes.
Data is stored within 1x1 dimension GIF file. GIF format is selected on purpose, since it's the most compact among universally supported image formats of our time, having headers with the smallest footprint, enabling us to store single pixel color data in its minimal form and still have it compatible with any image viewing software.
Hex triplet: #000000
Name: Black
Dimensions: 1px x 1px
File size: 35 bytes
Format: GIF
Data:
4749 4638 3761 0100 0100 8001 0000 0000
0000 002c 0000 0000 0100 0100 0002 024c
0100 3b