#66642E
Closest named color: Dark Moss Green (#606C38). oklch(49.3% 0.075 106.9), rgb(102, 100, 46).
Aa
White text reads best on this color (6.12:1).
About this color
#66642E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.075 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.023 away. White text reads best on it, at 6.12:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #66642E |
| RGB | rgb(102, 100, 46) |
| HSL | hsl(58, 38%, 29%) |
| OKLCH | oklch(49.3% 0.075 106.9) |
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 #66642E | 6.12:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #66642E | 3.42:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #66642E text on white | 6.12:1 | AA | Lc 80.5 | Fine for body text |
| #66642E 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#DADACB
oklch(88.4% 0.02 106.8)
-
Step 300
300
#C3C3A8
oklch(81% 0.037 107.2)
-
Step 400
400
#A4A479
oklch(70.8% 0.059 107.8)
-
Step 500
500
#8E8D57
oklch(63.1% 0.074 107.4)
-
Step 600
600
#79773B
oklch(55.7% 0.082 107.1)
-
Step 700
700 (this color)
#66642E
oklch(49.3% 0.075 106.9)
-
Step 800
800
#535127
oklch(42.6% 0.061 106.3)
-
Step 900
900
#444324
oklch(37.6% 0.048 106.9)
-
Step 950
950
#282816
oklch(27.1% 0.031 108.3)
#66642E 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) | #6C6029 | 0.014 |
| Deuteranopia (no green cones) | #6D6331 | 0.013 |
| Tritanopia (no blue cones) | #6D5E58 | 0.068 |
| Achromatopsia (no color) | #626262 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66642E
#66642E
oklch(49.3% 0.075 106.9)
- #5E5A8A
#5E5A8A
oklch(49.2% 0.076 287.1)
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 #66642E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.023
- Greeny Brown #696006 ΔE 0.027
- Mud #735C12 ΔE 0.031
- Dark Olive Green #556B2F ΔE 0.031
- Camo Green #526525 ΔE 0.034
- Mud Green #606602 ΔE 0.036
- Brown Green #706C11 ΔE 0.040
- Browny Green #6F6C0A ΔE 0.041
Use #66642E 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.