#51561D
Closest named color: Green Brown (#544E03). oklch(43.6% 0.079 113.9), rgb(81, 86, 29).
Aa
White text reads best on this color (7.78:1).
About this color
#51561D is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.079 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.025 away. White text reads best on it, at 7.78:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #51561D |
| RGB | rgb(81, 86, 29) |
| HSL | hsl(65, 50%, 23%) |
| OKLCH | oklch(43.6% 0.079 113.9) |
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 #51561D | 7.78:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #51561D | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #51561D text on white | 7.78:1 | AAA | Lc 87.0 | Fine for body text |
| #51561D text on black | 2.69:1 | Fails | Lc -15.1 | 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
#E9EBE1
oklch(93.6% 0.013 115.8)
-
Step 200
200
#D8DBC8
oklch(88.4% 0.026 114.2)
-
Step 300
300
#C0C4A3
oklch(80.8% 0.045 113)
-
Step 400
400
#A0A670
oklch(70.7% 0.074 113.5)
-
Step 500
500
#89904A
oklch(63.2% 0.094 113.8)
-
Step 600
600
#737A2A
oklch(55.7% 0.103 114)
-
Step 700
700
#60661D
oklch(49% 0.095 113.9)
-
Step 800
800 (this color)
#51561D
oklch(43.6% 0.079 113.9)
-
Step 900
900
#41451C
oklch(37.6% 0.061 114)
-
Step 950
950
#262911
oklch(27.1% 0.04 115)
#51561D 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) | #5C5216 | 0.020 |
| Deuteranopia (no green cones) | #5C5321 | 0.021 |
| Tritanopia (no blue cones) | #56514A | 0.069 |
| Achromatopsia (no color) | #525252 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51561D
#51561D
oklch(43.6% 0.079 113.9)
- #544879
#544879
oklch(43.6% 0.08 294.1)
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 #51561D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.025
- Army Green #4B5D16 ΔE 0.026
- Olive Brown #645403 ΔE 0.032
- Camouflage Green #4B6113 ΔE 0.038
- Camo Green #526525 ΔE 0.045
- Navy Green #35530A ΔE 0.048
- Pine #2B5D34 ΔE 0.049
- Mud Brown #60460F ΔE 0.050
Use #51561D 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.