1.
Primary, Secondary & Tertiary Colours
Primary colours: Base hues that can’t be mixed from other colours (RYB model: red,
yellow, blue)
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Secondary colours: Formed by mixing two primaries—orange, green, and purple
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Tertiary colours: Created by mixing a primary with an adjacent secondary: red-orange,
yellow-green, blue-violet, etc. .
2. Colour Schemes (Harmonies)
Derived from the colour wheel to guide pleasing combinations:
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Monochromatic: Variations (tints, shades, tones) of one hue—simple and elegant.
Complementary: Opposite hues (e.g., blue & orange) for high contrast.
Split-Complementary: One hue plus the two adjacents of its complement—softer
contrast.
Analogous: Neighbouring hues (e.g., orange, yellow-orange, yellow) for harmony.
Triadic: Three evenly spaced hues (like primary colours) for vibrant balance.
Tetradic: Two complementary pairs forming a rectangle or square—rich and colorful.
☀️3. Warm vs Cool Colours
Warm colours (reds, oranges, yellows): evoke energy and warmth.
Cool colours (blues, greens, purples): evoke calm and tranquility.
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🧐 4. Tints, Shades & Tones
Tint = hue + white → lighter (ex: pink from red)
Shade = hue + black → darker
Tone = hue + gray → softer, muted colour
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🔬 5. Additive vs Subtractive Colour
Additive (RGB): Colour by mixing light—e.g., screens combine red, green, blue between
them.
Subtractive (RYB/CMY): Mixing pigments such as paints or inks—e.g., blue + yellow
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🧭 Quick Reference Table
Type Description
Primary Red, yellow, blue (base hues)
Secondary Orange, green, purple (mix of two primaries)
Tertiary Mix of primary + adjacent secondary (e.g., blue-green)
Colour Schemes Monochromatic, complementary, analogous, triadic, tetradic
Warm vs Cool Emotional temperature of colours
Tints/Shades/Tones Lightness/darkness/moderation of hue
Additive/Subtractive Colour creation via light versus pigment
🧠 Why It Matters
Understanding these different colour types and schemes empowers you to enhance everything
from graphic design and branding to fashion, art, and interior decor—helping you evoke the
right mood, harmony, and visual impact.