#6B631D
Closest named color: Greeny Brown (#696006). oklch(49.3% 0.089 102.7), rgb(107, 99, 29).
Aa
White text reads best on this color (6.12:1).
About this color
#6B631D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.089 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Greeny Brown (#696006), ΔE 0.014 away. White text reads best on it, at 6.12:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Greeny Brown (#696006) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #6B631D |
| RGB | rgb(107, 99, 29) |
| HSL | hsl(54, 57%, 27%) |
| OKLCH | oklch(49.3% 0.089 102.7) |
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 #6B631D | 6.12:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #6B631D | 3.42:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #6B631D text on white | 6.12:1 | AA | Lc 80.5 | Fine for body text |
| #6B631D text on black | 3.42:1 | AA large text | Lc -21.3 | 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 700.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DCDAC8
oklch(88.5% 0.024 101.7)
-
Step 300
300
#C5C2A2
oklch(80.8% 0.044 102.9)
-
Step 400
400
#A8A370
oklch(70.7% 0.069 103.3)
-
Step 500
500
#938C49
oklch(63.1% 0.089 103.3)
-
Step 600
600
#7E752A
oklch(55.5% 0.096 102.5)
-
Step 700
700 (this color)
#6B631D
oklch(49.3% 0.089 102.7)
-
Step 800
800
#57501A
oklch(42.6% 0.074 101.9)
-
Step 900
900
#47431C
oklch(37.7% 0.058 103.4)
-
Step 950
950
#2A2711
oklch(27% 0.036 101.6)
#6B631D 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) | #6C6013 | 0.009 |
| Deuteranopia (no green cones) | #6F6321 | 0.008 |
| Tritanopia (no blue cones) | #735C55 | 0.081 |
| Achromatopsia (no color) | #626262 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B631D
#6B631D
oklch(49.3% 0.089 102.7)
- #5A5A93
#5A5A93
oklch(49.3% 0.09 282.6)
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 #6B631D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Brown #696006 ΔE 0.014
- Mud #735C12 ΔE 0.022
- Mud Green #606602 ΔE 0.028
- Brown Green #706C11 ΔE 0.031
- Dark Moss Green #606C38 ΔE 0.032
- Browny Green #6F6C0A ΔE 0.032
- Dark Olive Green #556B2F ΔE 0.036
- Camo Green #526525 ΔE 0.037
Use #6B631D 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.