#51541B
Closest named color: Green Brown (#544E03). oklch(43.1% 0.078 112.1), rgb(81, 84, 27).
Aa
White text reads best on this color (7.97:1).
About this color
#51541B is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.078 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.020 away. White text reads best on it, at 7.97:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #51541B |
| RGB | rgb(81, 84, 27) |
| HSL | hsl(63, 51%, 22%) |
| OKLCH | oklch(43.1% 0.078 112.1) |
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 #51541B | 7.97:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #51541B | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #51541B text on white | 7.97:1 | AAA | Lc 87.6 | Fine for body text |
| #51541B text on black | 2.63:1 | Fails | Lc -14.6 | Not readable |
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
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#D9DBC8
oklch(88.5% 0.026 111.8)
-
Step 300
300
#C1C4A3
oklch(80.9% 0.045 111.6)
-
Step 400
400
#A1A670
oklch(70.8% 0.074 112.6)
-
Step 500
500
#8B8F49
oklch(63.1% 0.093 111.7)
-
Step 600
600
#75792A
oklch(55.6% 0.101 112)
-
Step 700
700
#62661C
oklch(49.2% 0.095 112.4)
-
Step 800
800 (this color)
#51541B
oklch(43.1% 0.078 112.1)
-
Step 900
900
#42451C
oklch(37.7% 0.061 112.8)
-
Step 950
950
#272811
oklch(26.9% 0.038 110.9)
#51541B 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) | #5B5014 | 0.019 |
| Deuteranopia (no green cones) | #5B511F | 0.020 |
| Tritanopia (no blue cones) | #574F48 | 0.069 |
| Achromatopsia (no color) | #515151 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51541B
#51541B
oklch(43.1% 0.078 112.1)
- #514777
#514777
oklch(43% 0.079 292.3)
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 #51541B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.020
- Army Green #4B5D16 ΔE 0.030
- Olive Brown #645403 ΔE 0.032
- Camouflage Green #4B6113 ΔE 0.043
- Mud Brown #60460F ΔE 0.045
- Navy Green #35530A ΔE 0.046
- Camo Green #526525 ΔE 0.051
- Pine #2B5D34 ΔE 0.051
Use #51541B 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.