#51572D
Closest named color: Army Green (#4B5D16). oklch(44.1% 0.063 115.7), rgb(81, 87, 45).
Aa
White text reads best on this color (7.63:1).
About this color
#51572D is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.063 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.036 away. White text reads best on it, at 7.63:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #51572D |
| RGB | rgb(81, 87, 45) |
| HSL | hsl(69, 32%, 26%) |
| OKLCH | oklch(44.1% 0.063 115.7) |
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 #51572D | 7.63:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #51572D | 2.75:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #51572D text on white | 7.63:1 | AAA | Lc 86.5 | Fine for body text |
| #51572D text on black | 2.75:1 | Fails | Lc -15.6 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE3
oklch(93.6% 0.011 118)
-
Step 200
200
#D8DBCC
oklch(88.5% 0.02 116)
-
Step 300
300
#BFC4A9
oklch(80.9% 0.037 115.8)
-
Step 400
400
#9EA67C
oklch(70.8% 0.059 116.7)
-
Step 500
500
#878F5A
oklch(63% 0.074 115.6)
-
Step 600
600
#71793F
oklch(55.5% 0.081 115.6)
-
Step 700
700
#5F6631
oklch(49.1% 0.076 115.5)
-
Step 800
800 (this color)
#51572D
oklch(44.1% 0.063 115.7)
-
Step 900
900
#404526
oklch(37.7% 0.049 116.3)
-
Step 950
950
#262817
oklch(26.9% 0.03 113.9)
#51572D 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) | #5C532A | 0.020 |
| Deuteranopia (no green cones) | #5C542F | 0.020 |
| Tritanopia (no blue cones) | #55534D | 0.054 |
| Achromatopsia (no color) | #535353 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51572D
#51572D
oklch(44.1% 0.063 115.7)
- #554B72
#554B72
oklch(43.9% 0.064 295.4)
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 #51572D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.036
- Green Brown #544E03 ΔE 0.037
- Olive Brown #645403 ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.047
- Camo Green #526525 ΔE 0.047
- Pine #2B5D34 ΔE 0.048
- Mud Brown #60460F ΔE 0.052
- Navy Green #35530A ΔE 0.058
Use #51572D 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.