#666239
Closest named color: Dark Moss Green (#606C38). oklch(48.9% 0.06 103.5), rgb(102, 98, 57).
Aa
White text reads best on this color (6.22:1).
About this color
#666239 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.060 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.031 away. White text reads best on it, at 6.22:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #666239 |
| RGB | rgb(102, 98, 57) |
| HSL | hsl(55, 28%, 31%) |
| OKLCH | oklch(48.9% 0.06 103.5) |
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 #666239 | 6.22:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #666239 | 3.37:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #666239 text on white | 6.22:1 | AA | Lc 81.0 | Fine for body text |
| #666239 text on black | 3.37:1 | AA large text | Lc -20.8 | 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
#F6F6F3
oklch(97.2% 0.004 106.5)
-
Step 100
100
#EBEAE4
oklch(93.6% 0.008 98.9)
-
Step 200
200
#DBDACE
oklch(88.6% 0.016 102.9)
-
Step 300
300
#C3C2AD
oklch(80.9% 0.029 104.8)
-
Step 400
400
#A5A281
oklch(70.6% 0.046 103.2)
-
Step 500
500
#8F8B62
oklch(63% 0.058 103.2)
-
Step 600
600
#7A7548
oklch(55.6% 0.064 102.8)
-
Step 700
700 (this color)
#666239
oklch(48.9% 0.06 103.5)
-
Step 800
800
#545030
oklch(42.7% 0.049 102.1)
-
Step 900
900
#45432A
oklch(37.8% 0.04 104.2)
-
Step 950
950
#282719
oklch(26.9% 0.024 104.5)
#666239 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) | #695F36 | 0.009 |
| Deuteranopia (no green cones) | #6A623B | 0.007 |
| Tritanopia (no blue cones) | #6C5D58 | 0.054 |
| Achromatopsia (no color) | #616161 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666239
#666239
oklch(48.9% 0.06 103.5)
- #5C5C81
#5C5C81
oklch(49% 0.059 284)
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 #666239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.031
- Mud #735C12 ΔE 0.037
- Greeny Brown #696006 ΔE 0.040
- Dark Olive Green #556B2F ΔE 0.042
- Camo Green #526525 ΔE 0.044
- Dirt Brown #836539 ΔE 0.050
- Mud Green #606602 ΔE 0.051
- Olive Brown #645403 ΔE 0.052
Use #666239 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.