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Hue family notations can be traced back to spectral data/color data values – it’s like a color’s DNA.
Unlike the inconsistent and erratic theory of color undertones, a hue family notation is not just someone guessing about what a color looks like.
When we have objective hue family notations, we can plot colors on The Color Strategist Color Wheel.
Doing so literally draws a picture of what colors go together.
Also, we can see how colors compare in terms of hue family and overtones.
Overtones are different from undertones and you’ll learn how they are different early in Camp Chroma’s The Four Pillars of Color online course.
• Degrees on outside of color wheel = h from CIE LCh (ab)
• There are 10 Hue Families on the inside of the color wheel:
R = Red, YR = Yellow-Red, Y = Yellow, GY = Green-Yellow, G = Green,
BG = Blue-Green, B = Blue, PB = Purple-Blue, P = Purple, RP = Red-Purple
• Each Hue Family Sector is broken down into 10 units:
Example: 1R, 2R, 3R, 4R, 5R, 6R, 7R, 8R, 9R, 10R
• Hue family is determined by the dominant wavelength of a color
• Hue family notations tell you how colors appear under a controlled illuminant called D65
• D65 is an illuminant that replicates indirect daylight around noon
If your target color looks different from its hue family designation, then you know the light source you’re viewing the color under isn’t balanced.
And you need to proceed accordingly, like try a different color strategy.
For example, try colors from a different hue family.
COLOR HARMONY
You can use The Color Strategist Color Wheel to figure out what colors go together based on classic color relationships.
You will find several resources that explains color harmony based on the geometry of a color wheel. Here’s the one I referenced.
Source:
Ethan Gardner
“A Math-Based Approach to Color Theory Using Hue, Saturation, and Brightness (HSB)”
March 15, 2009 | Link https://goo.gl/uffEsN
Note: H0 is the Munsell Hue Family for the color you’re starting with.
Complementary
A complementary color scheme is a two-color combination consisting of your starting color (H0) and another color (H1) that is 180 degrees apart from H0 on the color wheel.
- formula: H1 = |(H0 + 180 degrees) – 360 degrees|
Split Complementary
A split-complementary color scheme is a three-color combination that consists of your starting color (H0) and two colors (H1 and H2) that are 150 degrees and 210 degrees apart from H0 respectively.
- formula: H1 = |(H0 + 150 degrees) – 360 degrees|
- formula: H2 = |(H0 + 210 degrees) – 360 degrees|
Triadic
This is a three-color combination that consists of your starting color (H0) and two colors (H1 and H2) that are 120 degrees and 240 degrees apart from H0 respectively.
- formula: H1 = |(H0 + 120 degrees) – 360 degrees|
- formula: H2 = |(H0 + 240 degrees) – 360 degrees|
Tetradic
A four-color combination that consists of your starting color (H0) and three colors (H1, H2, and H3) that are 90 degrees, 180 degrees, and 270 degrees apart from H0 respectively.
- formula: H1 = |(H0 + 90 degrees) – 360 degrees|
- formula: H2 = |(H0 + 180 degrees) – 360 degrees|
- formula: H3 = |(H0 + 270 degrees) – 360 degrees|
Analagous
Analagous color schemes use a combination consisting of your starting color (H0) and one or more adjacent colors (30 degrees apart) on the color wheel.
- formula: H1 = |(H0 + 30 degrees) – 360 degrees|
- formula: H2 = |(H0 + 60 degrees) – 360 degrees|
- formula: H3 = |(H0 + 90 degrees) – 360 degrees|
Monochrome
A Monochrome color scheme is where all colors are derived from the same hue family as your starting color. Hue and Value does not change. Only chroma changes from vivid to dull. You could say a Monochrome color scheme is a vivid to dull or clean to dirty gradation of color.