Kelp on Hint of Blue

#4d503c on #cee1f2

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

6.20:1

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 69.6

Clears Lc 60 — headlines and other larger text.

Dark text on a lighter ground.

Colour difference

ΔE00 51.4

different colours

Above 10 — related only in the sense that both are colours.

Nothing to fix

This pair already clears 4.5:1, so #4d503c can stay exactly as it is. Check another pair.

And to someone missing a cone

protanopia

Body text

Ratio 6.28:1, ΔE00 51.9.

deuteranopia

Body text

Ratio 6.16:1, ΔE00 52.1.

tritanopia

Body text

Ratio 6.01:1, ΔE00 51.3.

The weakest of the three is tritanopia, where the two are ΔE00 51.3 apart against 51.4 for a trichromat — still clearly two colours.

Both colours have pages of their own: Kelp ·Hint of Blue · the same pair the other way round ·all pairs