#4B581B
Closest named color: Army Green (#4B5D16). oklch(43.6% 0.086 120.4), rgb(75, 88, 27).
Aa
White text reads best on this color (7.74:1).
About this color
#4B581B is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.017 away. White text reads best on it, at 7.74:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #4B581B |
| RGB | rgb(75, 88, 27) |
| HSL | hsl(73, 53%, 23%) |
| OKLCH | oklch(43.6% 0.086 120.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4B581B | 7.74:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #4B581B | 2.71:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #4B581B text on white | 7.74:1 | AAA | Lc 86.8 | Fine for body text |
| #4B581B text on black | 2.71:1 | Fails | Lc -15.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E8EBE1
oklch(93.5% 0.014 120.3)
-
Step 200
200
#D6DCC8
oklch(88.4% 0.028 120.6)
-
Step 300
300
#BCC6A2
oklch(80.9% 0.05 120.1)
-
Step 400
400
#9AA86F
oklch(70.6% 0.08 119.7)
-
Step 500
500
#819348
oklch(63.2% 0.103 120.6)
-
Step 600
600
#6B7D28
oklch(55.7% 0.112 120.4)
-
Step 700
700
#59691A
oklch(49.1% 0.104 120.4)
-
Step 800
800 (this color)
#4B581B
oklch(43.6% 0.086 120.4)
-
Step 900
900
#3D471B
oklch(37.8% 0.067 120.4)
-
Step 950
950
#242911
oklch(26.9% 0.041 118.9)
#4B581B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5E5313 | 0.032 |
| Deuteranopia (no green cones) | #5C531F | 0.032 |
| Tritanopia (no blue cones) | #4F534B | 0.072 |
| Achromatopsia (no color) | #535353 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B581B
#4B581B
oklch(43.6% 0.086 120.4)
- #594579
#594579
oklch(43.5% 0.086 300.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4B581B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.017
- Camouflage Green #4B6113 ΔE 0.030
- Green Brown #544E03 ΔE 0.031
- Navy Green #35530A ΔE 0.040
- Olive Brown #645403 ΔE 0.040
- Pine #2B5D34 ΔE 0.041
- Camo Green #526525 ΔE 0.042
- Greeny Brown #696006 ΔE 0.056
Use #4B581B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.