The main difference between Peru and Burnt Orange is brightness and saturation: both are orange shades, but Peru is lighter and Burnt Orange is more saturated. Peru (#CD853F) has an HSL of 30°, 59%, 53%, whereas Burnt Orange (#CC5500) sits at 25°, 100%, 40%.
Peru (#CD853F) is a medium, moderately saturated orange with a warm undertone — it feels balanced, versatile and balanced in intensity.
Burnt Orange (#CC5500) is a medium, vivid orange with a warm undertone — it feels balanced, versatile and bright, energetic, eye-catching.
Text legibility depends on the contrast ratio between foreground and background. WCAG 2.1 AA requires at least 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Use these numbers to choose accessible combinations for your design.
Each color has a dedicated page with shades, tints, CSS name, pairings, and color psychology.