Chocolate Castle on Vintage Bloom
#452207 on #c0b0d0
Body text at this size
And the smaller size most interfaces actually use for paragraphs — the size that decides whether a pair is usable.
Caption text, which almost nothing passes.
WCAG 2.1
6.98:1
Passes AA for body text
Not AAA (7:1). Swapping the two colours gives the same number — the ratio does not know which is the text.
APCA
Lc 59.1
Clears Lc 45 — large or heavy display text.
Dark text on a lighter ground.
Colour difference
ΔE00 59.5
different colours
Above 10 — related only in the sense that both are colours.
Nothing to fix
This pair already clears 4.5:1, so #452207 can stay exactly as it is. Check another pair.
And to someone missing a cone
protanopia
Ratio 7.31:1, ΔE00 61.3.
deuteranopia
Ratio 6.82:1, ΔE00 61.6.
tritanopia
Ratio 6.14:1, ΔE00 52.6.
The weakest of the three is tritanopia, where the two are ΔE00 52.6 apart against 59.5 for a trichromat — still clearly two colours.
Both colours have pages of their own: Chocolate Castle ·Vintage Bloom · the same pair the other way round ·all pairs