#91660D
Closest named color: Muddy Brown (#886806). oklch(54.1% 0.109 78.4), rgb(145, 102, 13).
Aa
White text reads best on this color (5.10:1).
About this color
#91660D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.109 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Brown (#886806), ΔE 0.017 away. White text reads best on it, at 5.10:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Muddy Brown (#886806) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #91660D |
| RGB | rgb(145, 102, 13) |
| HSL | hsl(40, 84%, 31%) |
| OKLCH | oklch(54.1% 0.109 78.4) |
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 #91660D | 5.10:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #91660D | 4.11:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #91660D text on white | 5.10:1 | AA | Lc 75.0 | Fine for body text |
| #91660D text on black | 4.11:1 | AA large text | Lc -26.7 | 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 600.
-
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
#D2BD9E
oklch(80.8% 0.048 77.5)
-
Step 400
400
#BB9B68
oklch(70.7% 0.078 78.6)
-
Step 500
500
#AA823D
oklch(63.2% 0.1 78.9)
-
Step 600
600 (this color)
#91660D
oklch(54.1% 0.109 78.4)
-
Step 700
700
#7F5803
oklch(49% 0.101 78.4)
-
Step 800
800
#68480B
oklch(42.7% 0.084 77.5)
-
Step 900
900
#543D14
oklch(37.7% 0.065 78.8)
-
Step 950
950
#31240D
oklch(27% 0.041 79.8)
#91660D 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) | #766800 | 0.048 |
| Deuteranopia (no green cones) | #807212 | 0.042 |
| Tritanopia (no blue cones) | #9F5A57 | 0.094 |
| Achromatopsia (no color) | #6E6E6E | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91660D
#91660D
oklch(54.1% 0.109 78.4)
- #466FAE
#466FAE
oklch(54.1% 0.109 258.7)
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 #91660D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Brown #886806 ΔE 0.017
- Raw Sienna #9A6200 ΔE 0.018
- Sepia #985E2B ΔE 0.036
- Dirt Brown #836539 ΔE 0.040
- Hazel #8E7618 ΔE 0.042
- Raw Umber #A75E09 ΔE 0.043
- Dirt #8A6E45 ΔE 0.044
- Dull Brown #876E4B ΔE 0.051
Use #91660D 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.