#5B511E
Closest named color: Green Brown (#544E03). oklch(43.4% 0.071 98.2), rgb(91, 81, 30).
Aa
White text reads best on this color (7.95:1).
About this color
#5B511E is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.071 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.024 away. White text reads best on it, at 7.95:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.64:1 |
| White text | 7.95:1 |
Values
| HEX | #5B511E |
| RGB | rgb(91, 81, 30) |
| HSL | hsl(50, 50%, 24%) |
| OKLCH | oklch(43.4% 0.071 98.2) |
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 #5B511E | 7.95:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #5B511E | 2.64:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #5B511E text on white | 7.95:1 | AAA | Lc 87.5 | Fine for body text |
| #5B511E text on black | 2.64:1 | 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
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDDAC9
oklch(88.6% 0.023 98.7)
-
Step 300
300
#C7C1A3
oklch(80.8% 0.041 97.9)
-
Step 400
400
#ABA271
oklch(70.8% 0.067 99)
-
Step 500
500
#978A4B
oklch(63.1% 0.085 97.9)
-
Step 600
600
#81742D
oklch(55.6% 0.092 98.9)
-
Step 700
700
#6E611F
oklch(49.2% 0.086 97.9)
-
Step 800
800 (this color)
#5B511E
oklch(43.4% 0.071 98.2)
-
Step 900
900
#49421D
oklch(37.7% 0.055 98.8)
-
Step 950
950
#2B2712
oklch(27.1% 0.035 98.8)
#5B511E 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) | #594F18 | 0.008 |
| Deuteranopia (no green cones) | #5C5221 | 0.004 |
| Tritanopia (no blue cones) | #624B46 | 0.065 |
| Achromatopsia (no color) | #515151 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B511E
#5B511E
oklch(43.4% 0.071 98.2)
- #484C77
#484C77
oklch(43.2% 0.071 278.9)
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 #5B511E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.024
- Olive Brown #645403 ΔE 0.025
- Mud Brown #60460F ΔE 0.031
- Army Green #4B5D16 ΔE 0.046
- Mud #735C12 ΔE 0.056
- Greeny Brown #696006 ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.057
- Camo Green #526525 ΔE 0.060
Use #5B511E 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.