#51582B
Closest named color: Army Green (#4B5D16). oklch(44.3% 0.067 116.5), rgb(81, 88, 43).
Aa
White text reads best on this color (7.55:1).
About this color
#51582B is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.067 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 0.032 away. White text reads best on it, at 7.55:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.78:1 |
| White text | 7.55:1 |
Values
| HEX | #51582B |
| RGB | rgb(81, 88, 43) |
| HSL | hsl(69, 34%, 26%) |
| OKLCH | oklch(44.3% 0.067 116.5) |
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 #51582B | 7.55:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #51582B | 2.78:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #51582B text on white | 7.55:1 | AAA | Lc 86.2 | Fine for body text |
| #51582B text on black | 2.78:1 | Fails | Lc -15.8 | 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
#D8DBCB
oklch(88.5% 0.022 115.5)
-
Step 300
300
#BFC4A8
oklch(80.9% 0.039 115.5)
-
Step 400
400
#9EA679
oklch(70.7% 0.063 116.2)
-
Step 500
500
#869057
oklch(63.1% 0.08 116.9)
-
Step 600
600
#707A3B
oklch(55.6% 0.088 116.8)
-
Step 700
700
#5E662D
oklch(49% 0.081 116.1)
-
Step 800
800 (this color)
#51582B
oklch(44.3% 0.067 116.5)
-
Step 900
900
#404524
oklch(37.7% 0.052 116)
-
Step 950
950
#252916
oklch(27.1% 0.033 118.4)
#51582B 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) | #5D5427 | 0.021 |
| Deuteranopia (no green cones) | #5D552D | 0.022 |
| Tritanopia (no blue cones) | #55544E | 0.058 |
| Achromatopsia (no color) | #545454 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51582B
#51582B
oklch(44.3% 0.067 116.5)
- #574B74
#574B74
oklch(44.2% 0.067 297)
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 #51582B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.032
- Green Brown #544E03 ΔE 0.037
- Olive Brown #645403 ΔE 0.037
- Camouflage Green #4B6113 ΔE 0.042
- Camo Green #526525 ΔE 0.043
- Pine #2B5D34 ΔE 0.047
- Mud Brown #60460F ΔE 0.054
- Greeny Brown #696006 ΔE 0.055
Use #51582B 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.