#666336
Closest named color: Dark Moss Green (#606C38). oklch(49.1% 0.065 105.2), rgb(102, 99, 54).
Aa
White text reads best on this color (6.17:1).
About this color
#666336 is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.065 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.027 away. White text reads best on it, at 6.17:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.40:1 |
| White text | 6.17:1 |
Values
| HEX | #666336 |
| RGB | rgb(102, 99, 54) |
| HSL | hsl(56, 31%, 31%) |
| OKLCH | oklch(49.1% 0.065 105.2) |
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 #666336 | 6.17:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #666336 | 3.40:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #666336 text on white | 6.17:1 | AA | Lc 80.8 | Fine for body text |
| #666336 text on black | 3.40:1 | AA large text | Lc -21.1 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#DADACD
oklch(88.5% 0.018 106.8)
-
Step 300
300
#C3C2AB
oklch(80.9% 0.031 105)
-
Step 400
400
#A5A37F
oklch(70.8% 0.05 105)
-
Step 500
500
#8F8C5E
oklch(63.1% 0.064 104.9)
-
Step 600
600
#797644
oklch(55.6% 0.07 105.5)
-
Step 700
700 (this color)
#666336
oklch(49.1% 0.065 105.2)
-
Step 800
800
#53512D
oklch(42.7% 0.054 105.7)
-
Step 900
900
#454328
oklch(37.7% 0.042 104.6)
-
Step 950
950
#282718
oklch(26.9% 0.026 104.8)
#666336 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) | #6A6032 | 0.010 |
| Deuteranopia (no green cones) | #6B6238 | 0.009 |
| Tritanopia (no blue cones) | #6C5E58 | 0.057 |
| Achromatopsia (no color) | #616161 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666336
#666336
oklch(49.1% 0.065 105.2)
- #5D5C84
#5D5C84
oklch(49.2% 0.064 285)
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 #666336, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.027
- Mud #735C12 ΔE 0.035
- Greeny Brown #696006 ΔE 0.036
- Dark Olive Green #556B2F ΔE 0.038
- Camo Green #526525 ΔE 0.040
- Mud Green #606602 ΔE 0.046
- Brown Green #706C11 ΔE 0.049
- Dirt Brown #836539 ΔE 0.050
Use #666336 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.