Grapest on Summer Crush
#880066 on #f2d6da
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
6.88:1
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 69.3
Clears Lc 60 — headlines and other larger text.
Dark text on a lighter ground.
Colour difference
ΔE00 55.4
different colours
Above 10 — related only in the sense that both are colours.
Nothing to fix
This pair already clears 4.5:1, so #880066 can stay exactly as it is. Check another pair.
And to someone missing a cone
protanopia
Ratio 8.75:1, ΔE00 65.7.
deuteranopia
Ratio 6.21:1, ΔE00 50.6.
tritanopia
Ratio 4.77:1, ΔE00 40.8.
The weakest of the three is tritanopia, where the two are ΔE00 40.8 apart against 55.4 for a trichromat — still clearly two colours.
Both colours have pages of their own: Grapest ·Summer Crush · the same pair the other way round ·all pairs