#66632D
Closest named color: Greeny Brown (#696006). oklch(49% 0.075 106), rgb(102, 99, 45).
Aa
White text reads best on this color (6.19:1).
About this color
#66632D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.075 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Greeny Brown (#696006), ΔE 0.026 away. White text reads best on it, at 6.19:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Greeny Brown (#696006) |
| Black text | 3.38:1 |
| White text | 6.19:1 |
Values
| HEX | #66632D |
| RGB | rgb(102, 99, 45) |
| HSL | hsl(57, 39%, 29%) |
| OKLCH | oklch(49% 0.075 106) |
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 #66632D | 6.19:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #66632D | 3.38:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #66632D text on white | 6.19:1 | AA | Lc 80.9 | Fine for body text |
| #66632D text on black | 3.38:1 | AA large text | Lc -21.0 | 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
#EAEAE2
oklch(93.5% 0.011 106.6)
-
Step 200
200
#DADACB
oklch(88.4% 0.02 106.8)
-
Step 300
300
#C3C2A8
oklch(80.8% 0.035 105.4)
-
Step 400
400
#A5A379
oklch(70.6% 0.058 105.5)
-
Step 500
500
#8F8D57
oklch(63.2% 0.074 106.5)
-
Step 600
600
#79763B
oklch(55.5% 0.081 106.1)
-
Step 700
700 (this color)
#66632D
oklch(49% 0.075 106)
-
Step 800
800
#535126
oklch(42.6% 0.063 106.4)
-
Step 900
900
#454324
oklch(37.7% 0.048 105.2)
-
Step 950
950
#282715
oklch(26.8% 0.031 105.5)
#66632D 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) | #6B6028 | 0.011 |
| Deuteranopia (no green cones) | #6C6230 | 0.011 |
| Tritanopia (no blue cones) | #6D5D57 | 0.068 |
| Achromatopsia (no color) | #616161 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66632D
#66632D
oklch(49% 0.075 106)
- #5D5A89
#5D5A89
oklch(49% 0.075 286.2)
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 #66632D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Brown #696006 ΔE 0.026
- Dark Moss Green #606C38 ΔE 0.026
- Mud #735C12 ΔE 0.029
- Dark Olive Green #556B2F ΔE 0.033
- Camo Green #526525 ΔE 0.034
- Mud Green #606602 ΔE 0.036
- Brown Green #706C11 ΔE 0.042
- Browny Green #6F6C0A ΔE 0.043
Use #66632D 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.