Castro on Super Pink
#44232f on #ce6ba6
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
4.11:1
Large text only
Not AAA (7:1). Swapping the two colours gives the same number — the ratio does not know which is the text.
APCA
Lc 37.7
Clears Lc 30 — the floor: below this the draft considers text not readable at any size.
Dark text on a lighter ground.
Colour difference
ΔE00 36.8
different colours
Above 10 — related only in the sense that both are colours.
What the text colour has to become
#3d1c28 is the nearest colour of the same hue that passes AA on #ce6ba6, at 4.50:1. Only the lightness moved — which is the point: your colour stays recognisably your colour.
And to someone missing a cone
protanopia
Ratio 3.66:1, ΔE00 32.4.
deuteranopia
Ratio 4.33:1, ΔE00 37.6.
tritanopia
Ratio 4.76:1, ΔE00 43.0.
The weakest of the three is protanopia, where the two are ΔE00 32.4 apart against 36.8 for a trichromat — still clearly two colours.
Both colours have pages of their own: Castro ·Super Pink · the same pair the other way round ·all pairs