Greyscale Color Converter

About Greyscale Conversion

Greyscale colors are created by converting color values to shades of grey, maintaining only the lightness information while removing hue and saturation.

Conversion Methods

• Luminance Weighted: Uses human perception weights (0.299R + 0.587G + 0.114B)
• Simple Average: Averages all color channels equally (R + G + B) / 3
• Lightness Only: Uses HSL lightness value directly

Accessibility Standards

WCAG 2.1 requires:

• 4.5:1 for normal text
• 3:1 for large text
• 3:1 for graphical objects

Supported Color Formats

• HEX: #RRGGBB, #RGB
• RGB: rgb(255, 255, 255)
• RGBA: rgba(255, 255, 255, 0.5)
• HSL: hsl(360, 100%, 100%)
• HSLA: hsla(360, 100%, 100%, 0.5)
• Named colors: red, blue, etc.