#81591A
Closest named color: Medium Brown (#7F5112). oklch(49.6% 0.093 74.1), rgb(129, 89, 26).
Aa
White text reads best on this color (6.21:1).
About this color
#81591A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 50%, its chroma 0.093 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Brown (#7F5112), ΔE 0.022 away. White text reads best on it, at 6.21:1.
| Hue family | Browns |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Medium Brown (#7F5112) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #81591A |
| RGB | rgb(129, 89, 26) |
| HSL | hsl(37, 66%, 30%) |
| OKLCH | oklch(49.6% 0.093 74.1) |
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 #81591A | 6.21:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #81591A | 3.37:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #81591A text on white | 6.21:1 | AA | Lc 80.8 | Fine for body text |
| #81591A text on black | 3.37:1 | AA large text | Lc -21.0 | 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
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E3D7C8
oklch(88.5% 0.024 73.6)
-
Step 300
300
#D2BDA1
oklch(80.9% 0.045 75)
-
Step 400
400
#BC9A6E
oklch(70.7% 0.072 73.4)
-
Step 500
500
#AB8146
oklch(63.2% 0.092 74.1)
-
Step 600
600
#966A26
oklch(55.7% 0.1 74.4)
-
Step 700
700 (this color)
#81591A
oklch(49.6% 0.093 74.1)
-
Step 800
800
#684817
oklch(42.7% 0.077 74.1)
-
Step 900
900
#543C1A
oklch(37.5% 0.059 73.7)
-
Step 950
950
#312410
oklch(27% 0.038 76.8)
#81591A 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) | #675B10 | 0.048 |
| Deuteranopia (no green cones) | #71651C | 0.042 |
| Tritanopia (no blue cones) | #8D4F4D | 0.077 |
| Achromatopsia (no color) | #616161 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81591A
#81591A
oklch(49.6% 0.093 74.1)
- #3B6496
#3B6496
oklch(49.7% 0.093 254.3)
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 #81591A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Brown #7F5112 ΔE 0.022
- Mud #735C12 ΔE 0.028
- Milk Chocolate #7F4E1E ΔE 0.032
- Dirt Brown #836539 ΔE 0.038
- Cocoa #875F42 ΔE 0.043
- Warm Brown #964E02 ΔE 0.044
- Muddy Brown #886806 ΔE 0.047
- Sepia #985E2B ΔE 0.049
Use #81591A 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.