#91681D
Closest named color: Raw Sienna (#9A6200). oklch(54.6% 0.102 77.9), rgb(145, 104, 29).
Aa
White text reads best on this color (4.99:1).
About this color
#91681D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.102 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Sienna (#9A6200), ΔE 0.020 away. White text reads best on it, at 4.99:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #91681D |
| RGB | rgb(145, 104, 29) |
| HSL | hsl(39, 67%, 34%) |
| OKLCH | oklch(54.6% 0.102 77.9) |
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 #91681D | 4.99:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #91681D | 4.20:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #91681D text on white | 4.99:1 | AA | Lc 74.4 | Content text, not long reading |
| #91681D text on black | 4.20:1 | AA large text | Lc -27.3 | 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
#E3D7C7
oklch(88.4% 0.025 75.3)
-
Step 300
300
#D1BEA0
oklch(81% 0.046 79.2)
-
Step 400
400
#BA9B6C
oklch(70.6% 0.073 77.5)
-
Step 500
500
#A98243
oklch(63.1% 0.094 77.7)
-
Step 600
600 (this color)
#91681D
oklch(54.6% 0.102 77.9)
-
Step 700
700
#7E5912
oklch(49.1% 0.095 78.1)
-
Step 800
800
#664913
oklch(42.7% 0.079 78.7)
-
Step 900
900
#533D18
oklch(37.6% 0.061 78)
-
Step 950
950
#31240F
oklch(27% 0.039 77.9)
#91681D 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) | #786910 | 0.046 |
| Deuteranopia (no green cones) | #817320 | 0.039 |
| Tritanopia (no blue cones) | #9E5D59 | 0.087 |
| Achromatopsia (no color) | #6F6F6F | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91681D
#91681D
oklch(54.6% 0.102 77.9)
- #4971AB
#4971AB
oklch(54.6% 0.102 257.6)
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 #91681D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.020
- Muddy Brown #886806 ΔE 0.021
- Sepia #985E2B ΔE 0.034
- Dirt Brown #836539 ΔE 0.036
- Dirt #8A6E45 ΔE 0.036
- Hazel #8E7618 ΔE 0.039
- Raw Umber #A75E09 ΔE 0.043
- Dull Brown #876E4B ΔE 0.044
Use #91681D 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.