#815B11
Closest named color: Mud (#735C12). oklch(49.9% 0.097 78.2), rgb(129, 91, 17).
Aa
White text reads best on this color (6.10:1).
About this color
#815B11 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 50%, its chroma 0.097 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.025 away. White text reads best on it, at 6.10:1.
| Hue family | Browns |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.43:1 |
| White text | 6.10:1 |
Values
| HEX | #815B11 |
| RGB | rgb(129, 91, 17) |
| HSL | hsl(40, 77%, 29%) |
| OKLCH | oklch(49.9% 0.097 78.2) |
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 #815B11 | 6.10:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #815B11 | 3.43:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #815B11 text on white | 6.10:1 | AA | Lc 80.3 | Fine for body text |
| #815B11 text on black | 3.43:1 | AA large text | Lc -21.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E3D7C6
oklch(88.4% 0.026 76.8)
-
Step 300
300
#D2BE9F
oklch(81% 0.048 78.8)
-
Step 400
400
#BB9B6A
oklch(70.7% 0.076 77.7)
-
Step 500
500
#A98240
oklch(63.1% 0.097 78.6)
-
Step 600
600
#956B1C
oklch(55.7% 0.105 78.3)
-
Step 700
700 (this color)
#815B11
oklch(49.9% 0.097 78.2)
-
Step 800
800
#674910
oklch(42.8% 0.081 78.5)
-
Step 900
900
#543D16
oklch(37.7% 0.063 77.8)
-
Step 950
950
#31240E
oklch(27% 0.04 78.9)
#815B11 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) | #695C00 | 0.045 |
| Deuteranopia (no green cones) | #726615 | 0.038 |
| Tritanopia (no blue cones) | #8D504D | 0.084 |
| Achromatopsia (no color) | #626262 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #815B11
#815B11
oklch(49.9% 0.097 78.2)
- #3F639A
#3F639A
oklch(49.9% 0.098 258.6)
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 #815B11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.025
- Medium Brown #7F5112 ΔE 0.028
- Dirt Brown #836539 ΔE 0.038
- Milk Chocolate #7F4E1E ΔE 0.040
- Muddy Brown #886806 ΔE 0.040
- Greeny Brown #696006 ΔE 0.045
- Warm Brown #964E02 ΔE 0.047
- Cocoa #875F42 ΔE 0.048
Use #815B11 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.