Olive Bark
#5f5537
A yellow that is nearly neutral — the hue shows only against a true grey. It is mid — the hardest range to put text on, either colour struggles.
Hex
#5f5537
RGB
95, 85, 55
OKLCh
45.1% 0.047 91.8°
CIELAB (D50)
36.5, 0.6, 19.1
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 51% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 85.7; on black, Lc -16.4. The sign is the polarity, which the WCAG ratio discards.
- Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
- protanopia and deuteranopia and tritanopia shift it by ΔE00 5.3 and 5.4 and 11.4 — no red cone.
Text on this colour
White text
7.39:1 — passes AA
Black text
2.84:1 — fails AA
White text is the better of the two at7.39:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#5f5537
protanopia
#565637 · ΔE00 5.3
deuteranopia
#585837 · ΔE00 5.4
tritanopia
#5a5a00 · ΔE00 11.4
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isMarsh at ΔE00 1.053: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- MarshΔE00 1.053 · #5c5337
- West CoastΔE00 1.918 · #5c512f
- MazeΔE00 2.141 · #5c5638
- Beach CasuarinaΔE00 2.328 · #665a38
- Puff DragonΔE00 2.328 · #635940
- Prehistoric WoodΔE00 2.413 · #5e5239
- BuzzardΔE00 2.465 · #5f563f
- Batu CaveΔE00 2.769 · #595438
- Pinyon PineΔE00 2.808 · #625a42
- Uguisu BrownΔE00 2.933 · #645530
- Tuscan OliveΔE00 2.978 · #5d583e
- Cold PressedΔE00 3.036 · #665b42
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.