What is the number of that color?
- JPEG uses Y’CBCR
Color space
- RGB
- CMYK
- HSL, HSV, HSB
- Y’CBCR (used in JPEG)
- YUV with Color television using NTSC
- CIELAB or CIE L*A*B*, between the eye and brain
- light vs dark
- red vs green
- blue vs yellow
- a “review” of color spaces
Representing color digitally
- Color depth
- Indexed color – GIF
- Direct color – JPEG, PNG, TIFF
- lossy vs lossless
This and That
Preview of the lab
- Wikimedia Commons
- save vs export