Turtle
#523f31
An orange that is nearly neutral — the hue shows only against a true grey. It is dark — it carries white text and needs care with black.
Hex
#523f31
RGB
82, 63, 49
OKLCh
38.4% 0.035 57.9°
CIELAB (D50)
28.5, 6.9, 11.9
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses only 38% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
- As text on white it measures APCA Lc 93.0; on black, Lc -9.5. 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 11.9 and 12.6 and 18.1 — no red cone.
Text on this colour
White text
9.93:1 — passes AA
Black text
2.11:1 — fails AA
White text is the better of the two at9.93:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#523f31
protanopia
#414131 · ΔE00 11.9
deuteranopia
#454530 · ΔE00 12.6
tritanopia
#494900 · ΔE00 18.1
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isLiver Brown at ΔE00 1.039: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Liver BrownΔE00 1.039 · #513e32
- Kenpō BrownΔE00 1.222 · #543f32
- Nutria Fur BrownΔE00 1.57 · #514035
- AbbotΔE00 1.695 · #4d3c2d
- Antique BrownΔE00 1.966 · #553f2d
- Old Treasure ChestΔE00 2.002 · #544333
- Brown DerbyΔE00 2.121 · #594537
- BonanzaΔE00 2.135 · #523b2c
- Well-Bred BrownΔE00 2.147 · #564537
- Simmered SeaweedΔE00 2.157 · #4c3d30
- Dark CloveΔE00 2.164 · #4c3d31
- RootstockΔE00 2.168 · #4e3c32
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.