discussion question
uname2110
Chapter91.pptxColor
COLor THeory
Red, Green, Blue (RGB)- This is used to define the combination of lights that forms the colors you see on the screen.
Cyan, Magenta, Yellow and Black (CMYK) – This model is used to define the proportions of inks that make up printed colors.
HSL Color Cylinder
Hue – adding blacks (no shades), adding whites (tints) or adding grey (tones) – [describing or labeling color]
Saturation – purity or colorfulness of hue: pure color (high saturation), increase tones (adding grey) no color state of grey (low saturation)
Lightness – contrast of hue from dark (adding black) to light (adding white)
Color: data legibility
Nominal (Qualitative)
Nominal data color is used to classify different categorical values
Different color per category
Ordinal (Qualitative)
Ordinal also deals with category but they have a natural hierarchy or ordering.
Different colors but may include different hue
Interval and Ration (Quantitative)
Involve showing difference between and of a set of values
Nominal
Ordinal
Interval and Ratio
Editorial salience
Is about using color to direct the eye. For which features and to what degree of emphasis do you wan to create contrast?
Functional harmony
Concerns deciding about every color property as applied to all interactive features, annotations and aspects of composition
