When designing call-to-action (CTA) buttons, choosing the right colors can significantly impact user engagement and conversion rates. Different colors evoke different emotions and behaviors in users. While the best color choice may vary depending on your brand identity and target audience, here are some commonly used colors for effective CTA buttons:

Red:

Red is a vibrant and attention-grabbing color that can create a sense of urgency and excitement.
It is often associated with energy, action, and passion, making it suitable for CTAs that prompt immediate response or encourage impulsive actions.
Green:

Green represents growth, harmony, and positivity.
It is often associated with health, wealth, and environmental themes.
Green can work well for CTAs related to sign-ups, eco-friendly initiatives, or financial offers.
Orange:

Orange is a warm and energetic color that combines elements of red and yellow.
It can convey enthusiasm, creativity, and optimism.
Orange CTAs can be effective for encouraging immediate action or drawing attention to limited-time offers.
Blue:

Blue is a calming and trustworthy color that symbolizes stability and reliability.
It is often associated with professionalism and credibility.
Blue CTAs can be effective for conversions that require a sense of trust, such as signing up for services, subscriptions, or making online purchases.
Yellow:

Yellow is a cheerful and attention-grabbing color that evokes feelings of happiness and optimism.
It can create a sense of urgency and draw attention to important elements on a webpage.
Yellow CTAs can work well for limited-time offers, discounts, or seasonal promotions.
Purple:

Purple is associated with luxury, creativity, and spirituality.
It can convey a sense of sophistication and elegance.
Purple CTAs can be effective for high-end products or services, as well as creative or artistic offerings.
Pink:

Pink is often associated with femininity, compassion, and playfulness.
It can evoke emotions of warmth and tenderness.
Pink CTAs can work well for brands targeting a predominantly female audience or promoting products related to love, care, or fashion.
Black or White:

Black and white are versatile colors that can create a sense of simplicity, elegance, and sophistication.
They can be used as contrasting colors against other elements on a webpage to make the CTA stand out.
Remember, the choice of color should align with your brand’s visual identity and evoke the desired emotions or actions from your target audience. A/B testing different color variations and analyzing user engagement metrics can help you determine the most effective color for your specific CTAs. Additionally, consider factors such as accessibility, readability, and overall design coherence when selecting colors for your CTA buttons.