Birthday pencil candles come in a wide range of colors to suit different themes and preferences.

1. Bright Primary Colors: These include red, blue, green, and yellow. They are often used for cheerful and vibrant birthday celebrations.
2. Pastel Colors: Soft pastel shades like pink, lavender, mint green, and baby blue are popular for birthday parties, especially for children or pastel-themed events.
3. Rainbow Assortment: A mix of various colors in a single pack, representing the spectrum of colors. Rainbow candles are versatile and can complement many different party themes.
4. Metallic Colors: Gold, silver, and bronze candles can add an elegant touch to birthday cakes, especially for more sophisticated or formal celebrations.
5. Neon Colors: Neon pink, orange, green, and yellow candles can create a bold and eye-catching look for modern or neon-themed parties.
6. Black and White: For a chic and minimalist aesthetic, black and white candles can be used. They’re versatile and can complement almost any color scheme.

Ultimately, the choice of candle color depends on the overall theme and atmosphere you want to create for the birthday celebration.