#51512B
Closest named color: Green Brown (#544E03). oklch(42.5% 0.057 108.6), rgb(81, 81, 43).
Aa
White text reads best on this color (8.19:1).
About this color
#51512B is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.057 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.032 away. White text reads best on it, at 8.19:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #51512B |
| RGB | rgb(81, 81, 43) |
| HSL | hsl(60, 31%, 24%) |
| OKLCH | oklch(42.5% 0.057 108.6) |
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 #51512B | 8.19:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #51512B | 2.56:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #51512B text on white | 8.19:1 | AAA | Lc 88.3 | Fine for body text |
| #51512B text on black | 2.56:1 | Fails | Lc -13.8 | 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
#DADACD
oklch(88.5% 0.018 106.8)
-
Step 300
300
#C2C3AA
oklch(81% 0.034 109)
-
Step 400
400
#A3A47D
oklch(70.8% 0.054 108.9)
-
Step 500
500
#8D8D5C
oklch(63.1% 0.068 108.2)
-
Step 600
600
#777742
oklch(55.7% 0.074 108.6)
-
Step 700
700
#646434
oklch(49.2% 0.068 108.7)
-
Step 800
800 (this color)
#51512B
oklch(42.5% 0.057 108.6)
-
Step 900
900
#434427
oklch(37.8% 0.045 110.1)
-
Step 950
950
#272817
oklch(27.1% 0.029 111.1)
#51512B 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) | #574E28 | 0.012 |
| Deuteranopia (no green cones) | #57502D | 0.011 |
| Tritanopia (no blue cones) | #564D48 | 0.050 |
| Achromatopsia (no color) | #4F4F4F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51512B
#51512B
oklch(42.5% 0.057 108.6)
- #4D496C
#4D496C
oklch(42.4% 0.058 288.9)
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 #51512B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.032
- Mud Brown #60460F ΔE 0.039
- Olive Brown #645403 ΔE 0.044
- Army Green #4B5D16 ΔE 0.050
- Pine #2B5D34 ΔE 0.056
- Navy Green #35530A ΔE 0.058
- Camouflage Green #4B6113 ΔE 0.062
- Camo Green #526525 ΔE 0.065
Use #51512B 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.