The main difference between Tan and Copper is brightness and saturation: both are orange shades, but Tan is lighter and Copper is more saturated. Tan (#D2B48C) has an HSL of 34°, 44%, 69%, whereas Copper (#B87333) sits at 29°, 57%, 46%.
Tan (#D2B48C) is a light, moderately saturated orange with a warm undertone — it feels airy, soft, approachable and balanced in intensity.
Copper (#B87333) is a medium, moderately saturated orange with a warm undertone — it feels balanced, versatile and balanced in intensity.
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.