#51481E
Closest named color: Mud Brown (#60460F). oklch(40.1% 0.061 97.4), rgb(81, 72, 30).
Aa
White text reads best on this color (9.14:1).
About this color
#51481E is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.027 away. White text reads best on it, at 9.14:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #51481E |
| RGB | rgb(81, 72, 30) |
| HSL | hsl(49, 46%, 22%) |
| OKLCH | oklch(40.1% 0.061 97.4) |
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 #51481E | 9.14:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #51481E | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #51481E text on white | 9.14:1 | AAA | Lc 91.0 | Preferred for body text |
| #51481E text on black | 2.29:1 | Fails | Lc -11.3 | 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 900.
-
Step 50
50
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE0
oklch(93.6% 0.013 97.4)
-
Step 200
200
#DDDAC7
oklch(88.6% 0.026 99.6)
-
Step 300
300
#C8C1A0
oklch(80.8% 0.045 97.4)
-
Step 400
400
#ADA16B
oklch(70.6% 0.074 97.2)
-
Step 500
500
#998A42
oklch(63.2% 0.094 97.7)
-
Step 600
600
#84731F
oklch(55.6% 0.102 97.3)
-
Step 700
700
#706010
oklch(49% 0.095 96.8)
-
Step 800
800
#5B4F12
oklch(42.8% 0.079 97.6)
-
Step 900
900 (this color)
#51481E
oklch(40.1% 0.061 97.4)
-
Step 950
950
#2C270F
oklch(27.2% 0.039 97.8)
#51481E 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) | #4F461A | 0.008 |
| Deuteranopia (no green cones) | #514920 | 0.003 |
| Tritanopia (no blue cones) | #57433F | 0.056 |
| Achromatopsia (no color) | #484848 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51481E
#51481E
oklch(40.1% 0.061 97.4)
- #404569
#404569
oklch(40.2% 0.061 277.2)
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 #51481E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.027
- Green Brown #544E03 ΔE 0.031
- Olive Brown #645403 ΔE 0.056
- Navy Green #35530A ΔE 0.061
- Dark Olive #373E02 ΔE 0.062
- Army Green #4B5D16 ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.071
- Pine #2B5D34 ΔE 0.074
Use #51481E 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.