1. having color that will not fade or run when washed or exposed to light
Usage: often used in textile and fabric contexts

Examples

• The colorfast fabric maintained its bright red color after dozens of washes.
• She chose colorfast dyes to ensure her artwork wouldn’t fade in sunlight.
• The manufacturer guarantees that this shirt is colorfast and won’t bleed in the wash.
• Always check if new clothes are colorfast before washing them with other garments.
• The colorfast treatment helps preserve the vibrant colors of outdoor furniture.
• These colorfast curtains won’t lose their deep blue shade over time.