Brown Coffee
#4a2c2a
A red 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
#4a2c2a
RGB
74, 44, 42
OKLCh
33.0% 0.045 23.9°
CIELAB (D50)
21.8, 14.1, 7.4
What is true of this colour, and of no other
- 3 other named colours sit within ΔE00 2 of it.
- It uses only 34% 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 98.2; on black, Lc 0.0. 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 16.8 and 19.0 and 25.8 — no red cone.
Text on this colour
White text
12.46:1 — passes AA
Black text
1.68:1 — fails AA
White text is the better of the two at12.46:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#4a2c2a
protanopia
#30302a · ΔE00 16.8
deuteranopia
#373729 · ΔE00 19.0
tritanopia
#3d3d00 · ΔE00 25.8
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBarako Brew at ΔE00 0.576: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Barako BrewΔE00 0.576 · #4b2d2a
- Rookwood Dark RedΔE00 1.736 · #4b2929
- EspressoΔE00 1.8 · #4e312d
- Dark RoastΔE00 2.126 · #4a2d2f
- Polished MahoganyΔE00 2.487 · #432722
- Decadent ChocolateΔE00 2.573 · #513233
- HeathΔE00 2.864 · #4f2a2c
- Rojo MarrónΔE00 2.954 · #4b3029
- Indian FigΔE00 2.973 · #54332e
- Mid CenturyΔE00 3.055 · #553333
- AcajouΔE00 3.137 · #4c2f27
- VolcanoΔE00 3.254 · #4e2728
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.