#6B591E
Closest named color: Mud (#735C12). oklch(47% 0.08 91.9), rgb(107, 89, 30).
Aa
White text reads best on this color (6.83:1).
About this color
#6B591E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.080 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.019 away. White text reads best on it, at 6.83:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #6B591E |
| RGB | rgb(107, 89, 30) |
| HSL | hsl(46, 56%, 27%) |
| OKLCH | oklch(47% 0.08 91.9) |
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 #6B591E | 6.83:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #6B591E | 3.07:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #6B591E text on white | 6.83:1 | AA | Lc 83.5 | Fine for body text |
| #6B591E text on black | 3.07:1 | AA large text | Lc -18.4 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#ECEAE2
oklch(93.6% 0.011 95.2)
-
Step 200
200
#DED9CA
oklch(88.5% 0.021 91.6)
-
Step 300
300
#C9C0A5
oklch(80.8% 0.038 91.7)
-
Step 400
400
#AEA074
oklch(70.7% 0.062 92.5)
-
Step 500
500
#9B884F
oklch(63.1% 0.08 91.5)
-
Step 600
600
#867232
oklch(55.8% 0.087 92)
-
Step 700
700 (this color)
#6B591E
oklch(47% 0.08 91.9)
-
Step 800
800
#5C4E20
oklch(42.8% 0.067 92.5)
-
Step 900
900
#4B4120
oklch(37.7% 0.051 92.9)
-
Step 950
950
#2C2613
oklch(27% 0.033 92.5)
#6B591E 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) | #635816 | 0.017 |
| Deuteranopia (no green cones) | #675D21 | 0.012 |
| Tritanopia (no blue cones) | #74524D | 0.073 |
| Achromatopsia (no color) | #5B5B5B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B591E
#6B591E
oklch(47% 0.08 91.9)
- #4B5888
#4B5888
oklch(47.1% 0.08 271.5)
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 #6B591E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.019
- Olive Brown #645403 ΔE 0.025
- Greeny Brown #696006 ΔE 0.029
- Medium Brown #7F5112 ΔE 0.039
- Milk Chocolate #7F4E1E ΔE 0.046
- Mud Green #606602 ΔE 0.049
- Camo Green #526525 ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.054
Use #6B591E 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.