Convert RGB color values to RGBA format with alpha transparency — perfect for adding opacity to existing colors
RGBA values will appear here...
Convert RGB color values to RGBA format to add alpha transparency control. While RGB format rgb(255, 87, 51) represents solid colors, RGBA format rgba(255, 87, 51, 0.8) adds an alpha channel for transparency. This is essential when you need to add opacity to existing RGB colors for overlays, shadows, or semi-transparent UI elements without changing the base color.
Paste an RGB color value (e.g., rgb(255, 87, 51))
View the RGBA equivalent with alpha channel
Adjust alpha value if needed (0 = transparent, 1 = opaque)
Copy the RGBA value for your CSS or design system
Add alpha transparency to existing RGB colors
Convert RGB to RGBA for CSS rgba() functions
Create semi-transparent versions of solid colors
Build overlays and modals with opacity control
Generate RGBA values for shadows and effects
Instant RGB to RGBA conversion
Live color preview with transparency
Alpha channel for transparency control
Copy RGBA values with one click
Auto-detects RGB format
Runs locally in your browser