#6C591F
Closest named color: Mud (#735C12). oklch(47.1% 0.08 90.7), rgb(108, 89, 31).
Aa
White text reads best on this color (6.80:1).
About this color
#6C591F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.080 and its hue 91°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.018 away. White text reads best on it, at 6.80:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #6C591F |
| RGB | rgb(108, 89, 31) |
| HSL | hsl(45, 55%, 27%) |
| OKLCH | oklch(47.1% 0.08 90.7) |
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 #6C591F | 6.80:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #6C591F | 3.08:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #6C591F text on white | 6.80:1 | AA | Lc 83.4 | Fine for body text |
| #6C591F text on black | 3.08:1 | AA large text | Lc -18.6 | 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
#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
#CAC0A5
oklch(80.9% 0.038 90.1)
-
Step 400
400
#AFA074
oklch(70.8% 0.062 91.5)
-
Step 500
500
#9B8850
oklch(63.1% 0.078 91.3)
-
Step 600
600
#867133
oklch(55.5% 0.085 90.7)
-
Step 700
700 (this color)
#6C591F
oklch(47.1% 0.08 90.7)
-
Step 800
800
#5D4D20
oklch(42.6% 0.066 89.8)
-
Step 900
900
#4C4020
oklch(37.6% 0.051 89.3)
-
Step 950
950
#2C2613
oklch(27% 0.033 92.5)
#6C591F 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) | #635818 | 0.018 |
| Deuteranopia (no green cones) | #685D22 | 0.012 |
| Tritanopia (no blue cones) | #75514D | 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°).
- #6C591F
#6C591F
oklch(47.1% 0.08 90.7)
- #4A5888
#4A5888
oklch(47% 0.08 270.7)
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 #6C591F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.018
- Olive Brown #645403 ΔE 0.026
- Greeny Brown #696006 ΔE 0.030
- Medium Brown #7F5112 ΔE 0.037
- Milk Chocolate #7F4E1E ΔE 0.044
- Mud Green #606602 ΔE 0.050
- Camo Green #526525 ΔE 0.051
- Dark Moss Green #606C38 ΔE 0.054
Use #6C591F 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.