Wikipedia:Naming conventions and colours

Singular versus plural forms of colours, see WP:PLURALPT in particular the orange example.

Primary colours

• Red (colour) / Reds (DAB)
• Yellow (colour) / Yellows (DAB)
• Blue (colour) / Blues (music genre)

Secondary colours

• Orange (DAB) / Oranges (fruit)
• Green (colour) / Greens (DAB)
• Purple (colour) / Purples (colour)

Others

• Lime (DAB) / Limes (DAB)
• Aqua (DAB) / Aquas (DAB)
• Cyan (colour) / Cyans (colour)
• Indigo (colour) / Indigos (DAB)
• Violet (DAB) / Violets (plant)
• Fuchsia (plant) / Fuchsias (plant)
• Magenta (colour) / Magentas (red link)
• Pink (colour) / Pinks (DAB)
• Brown (colour) / Browns (DAB)
• Maroon (colour) / Maroons (people)
• Olive (fruit) / Olives (fruit)
• Gold (element) / Golds (DAB)
• Teal (colour) / Teals (DAB)
• Navy (military) / Navies (military)
• Black (colour) / Blacks (people)
• Bronze (alloy) / Bronzes (DAB)
• Grey and Gray (colour) / Greys and Grays (DAB)
• Silver (element) / Silvers (DAB)
• White (colour) / Whites (people)