#51522B
Closest named color: Green Brown (#544E03). oklch(42.8% 0.058 109.9), rgb(81, 82, 43).
Aa
White text reads best on this color (8.10:1).
About this color
#51522B is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.058 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.031 away. White text reads best on it, at 8.10:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.59:1 |
| White text | 8.10:1 |
Values
| HEX | #51522B |
| RGB | rgb(81, 82, 43) |
| HSL | hsl(62, 31%, 25%) |
| OKLCH | oklch(42.8% 0.058 109.9) |
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 #51522B | 8.10:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #51522B | 2.59:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #51522B text on white | 8.10:1 | AAA | Lc 88.0 | Fine for body text |
| #51522B text on black | 2.59:1 | Fails | Lc -14.1 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#D9DACC
oklch(88.4% 0.019 110.1)
-
Step 300
300
#C1C3AA
oklch(80.9% 0.034 110.9)
-
Step 400
400
#A2A47D
oklch(70.7% 0.054 110.1)
-
Step 500
500
#8C8D5C
oklch(63% 0.068 109.2)
-
Step 600
600
#767741
oklch(55.5% 0.075 109.5)
-
Step 700
700
#636433
oklch(49% 0.07 109.8)
-
Step 800
800 (this color)
#51522B
oklch(42.8% 0.058 109.9)
-
Step 900
900
#434427
oklch(37.8% 0.045 110.1)
-
Step 950
950
#272817
oklch(27.1% 0.029 111.1)
#51522B 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) | #574F28 | 0.012 |
| Deuteranopia (no green cones) | #58502D | 0.014 |
| Tritanopia (no blue cones) | #564E49 | 0.052 |
| Achromatopsia (no color) | #505050 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51522B
#51522B
oklch(42.8% 0.058 109.9)
- #4E4A6D
#4E4A6D
oklch(42.8% 0.057 289)
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 #51522B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.031
- Mud Brown #60460F ΔE 0.041
- Olive Brown #645403 ΔE 0.043
- Army Green #4B5D16 ΔE 0.047
- Pine #2B5D34 ΔE 0.054
- Navy Green #35530A ΔE 0.058
- Camouflage Green #4B6113 ΔE 0.059
- Camo Green #526525 ΔE 0.062
Use #51522B 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.