#5B512F
Closest named color: Mud Brown (#60460F). oklch(43.6% 0.052 93.6), rgb(91, 81, 47).
Aa
White text reads best on this color (7.88:1).
About this color
#5B512F is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.052 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.037 away. White text reads best on it, at 7.88:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #5B512F |
| RGB | rgb(91, 81, 47) |
| HSL | hsl(46, 32%, 27%) |
| OKLCH | oklch(43.6% 0.052 93.6) |
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 #5B512F | 7.88:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #5B512F | 2.66:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #5B512F text on white | 7.88:1 | AAA | Lc 87.3 | Fine for body text |
| #5B512F text on black | 2.66:1 | Fails | Lc -14.8 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE3
oklch(93.7% 0.01 93.6)
-
Step 200
200
#DDD9CD
oklch(88.5% 0.017 91.6)
-
Step 300
300
#C7C1AB
oklch(81% 0.031 94.4)
-
Step 400
400
#ABA07E
oklch(70.6% 0.049 92.3)
-
Step 500
500
#96895E
oklch(63.1% 0.062 93.3)
-
Step 600
600
#817344
oklch(55.7% 0.068 93.4)
-
Step 700
700
#6D6035
oklch(49.1% 0.063 93.1)
-
Step 800
800 (this color)
#5B512F
oklch(43.6% 0.052 93.6)
-
Step 900
900
#494128
oklch(37.7% 0.041 92.4)
-
Step 950
950
#2B2618
oklch(27% 0.025 90.7)
#5B512F 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) | #58502C | 0.007 |
| Deuteranopia (no green cones) | #5A5330 | 0.006 |
| Tritanopia (no blue cones) | #614C49 | 0.048 |
| Achromatopsia (no color) | #515151 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B512F
#5B512F
oklch(43.6% 0.052 93.6)
- #48506E
#48506E
oklch(43.7% 0.051 272.6)
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 #5B512F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.037
- Olive Brown #645403 ΔE 0.041
- Green Brown #544E03 ΔE 0.042
- Army Green #4B5D16 ΔE 0.059
- Mud #735C12 ΔE 0.063
- Milk Chocolate #7F4E1E ΔE 0.064
- Medium Brown #7F5112 ΔE 0.067
- Greeny Brown #696006 ΔE 0.067
Use #5B512F 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.