4.2.2 RGBA color values

Chapter 4 - Color units - 4.2.2 RGBA color values

Go to the relevant page of the specification.

t422-rgba-a0.0-a
rgba() colors
Opacity of 0.0 makes text transparent.
t422-rgba-a0.6-a
rgba() colors
Opacity of 0.6 makes text partially opaque. Colors are in sRGB color space (may test).
t422-rgba-a1.0-a
rgba() colors
Opacity of 1.0 makes text fully opaque.
t422-rgba-clamping-a0.0-b
rgba() colors
Alpha components of rgba() colors less than 0 are clamped to 0.
t422-rgba-clamping-a1.0-b
rgba() colors
Alpha components of rgba() colors greater than 1 are clamped to 1.
t422-rgba-clip-outside-device-gamut-b
rgba() clipping outside device gamut
Test clipping of rgba() values outside the device gamut.
t422-rgba-func-int-a
rgba() colors
Test that rgba() values produce correct colors.
t422-rgba-func-no-mixed-f (invalid)
no mixed rgba() values
Test that rgba() values are only accepted when all integers or all percentages.
t422-rgba-func-pct-a
rgba() colors
Test that rgba() values produce correct colors.
t422-rgba-func-whitespace-b
whitespace in rgba() values
Test that whitespace is allowed within rgba() functions.
t422-rgba-onscreen-b
rgba() overpainting
Test that rgba() does not behave like opacity and draw in an offscreen buffer.
t422-rgba-onscreen-multiple-boxes-c
rgba() overpainting
Test that rgba() does not behave like opacity and draw in an offscreen buffer.
t422-rgba-values-meaning-b
rgba values
Test that the color components in rgba colors are interpreted correctly.