#81660F
Closest named color: Muddy Brown (#886806). oklch(52.3% 0.102 89.4), rgb(129, 102, 15).
Aa
White text reads best on this color (5.46:1).
About this color
#81660F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.102 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Brown (#886806), ΔE 0.014 away. White text reads best on it, at 5.46:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Muddy Brown (#886806) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #81660F |
| RGB | rgb(129, 102, 15) |
| HSL | hsl(46, 79%, 28%) |
| OKLCH | oklch(52.3% 0.102 89.4) |
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 #81660F | 5.46:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #81660F | 3.84:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #81660F text on white | 5.46:1 | AA | Lc 77.1 | Fine for body text |
| #81660F text on black | 3.84:1 | AA large text | Lc -24.6 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#E0D9C5
oklch(88.5% 0.028 90.9)
-
Step 300
300
#CDC09D
oklch(81% 0.049 90.1)
-
Step 400
400
#B49F66
oklch(70.8% 0.079 90)
-
Step 500
500
#A2863A
oklch(63.1% 0.101 88.9)
-
Step 600
600
#8D6F0E
oklch(55.6% 0.11 89)
-
Step 700
700 (this color)
#81660F
oklch(52.3% 0.102 89.4)
-
Step 800
800
#614C06
oklch(42.7% 0.084 89.7)
-
Step 900
900
#4F4012
oklch(37.8% 0.066 90.5)
-
Step 950
950
#2E250C
oklch(26.8% 0.041 89.6)
#81660F 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) | #736500 | 0.026 |
| Deuteranopia (no green cones) | #7A6C15 | 0.019 |
| Tritanopia (no blue cones) | #8D5C57 | 0.093 |
| Achromatopsia (no color) | #696969 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81660F
#81660F
oklch(52.3% 0.102 89.4)
- #5266A4
#5266A4
oklch(52.3% 0.101 269.2)
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 #81660F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Brown #886806 ΔE 0.014
- Brown Green #706C11 ΔE 0.032
- Browny Green #6F6C0A ΔE 0.034
- Dirt Brown #836539 ΔE 0.036
- Mud #735C12 ΔE 0.039
- Raw Sienna #9A6200 ΔE 0.044
- Greeny Brown #696006 ΔE 0.047
- Hazel #8E7618 ΔE 0.051
Use #81660F 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.