about this tool
against
creates combinations of
named colors
based on their
accessibility ratio
listing
background-colors
writing-colors
list of
background-colors
on which writing in
black
and
white
and
colors
has contrast ratios
above
around
below
1.2 ("Very Bad")
2 ("Bad")
3 (A)
4.5 (AA)
7 (AAA)
12 ("High")
16 ("Very High")
sorted by
color group
ratio (decrescent)
ratio (crescent)
list of
colors
with which writing on
background-color
has contrast ratios
above
around
below
1.2 ("Very Bad")
2 ("Bad")
3 (A)
4.5 (AA)
7 (AAA)
12 ("High")
16 ("Very High")
displayed
in a
serif
sans-serif
monospace
font
styled in
bold
italic
and structured in a
grid
list