#66612F
Closest named color: Mud (#735C12). oklch(48.5% 0.07 103.6), rgb(102, 97, 47).
Aa
White text reads best on this color (6.33:1).
About this color
#66612F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.070 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.029 away. White text reads best on it, at 6.33:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #66612F |
| RGB | rgb(102, 97, 47) |
| HSL | hsl(55, 37%, 29%) |
| OKLCH | oklch(48.5% 0.07 103.6) |
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 #66612F | 6.33:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #66612F | 3.31:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #66612F text on white | 6.33:1 | AA | Lc 81.5 | Fine for body text |
| #66612F text on black | 3.31:1 | AA large text | Lc -20.4 | 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
#EBEAE3
oklch(93.6% 0.009 100)
-
Step 200
200
#DBDACC
oklch(88.5% 0.019 103.5)
-
Step 300
300
#C4C2A9
oklch(80.9% 0.034 103.4)
-
Step 400
400
#A6A37B
oklch(70.8% 0.055 104.1)
-
Step 500
500
#908C59
oklch(63.1% 0.07 104.4)
-
Step 600
600
#7B753F
oklch(55.5% 0.075 102.9)
-
Step 700
700 (this color)
#66612F
oklch(48.5% 0.07 103.6)
-
Step 800
800
#545129
oklch(42.8% 0.059 104.8)
-
Step 900
900
#464326
oklch(37.8% 0.045 103.2)
-
Step 950
950
#292716
oklch(27% 0.029 102.4)
#66612F 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) | #695E2A | 0.009 |
| Deuteranopia (no green cones) | #6A6131 | 0.007 |
| Tritanopia (no blue cones) | #6D5B55 | 0.064 |
| Achromatopsia (no color) | #606060 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66612F
#66612F
oklch(48.5% 0.07 103.6)
- #5A5A86
#5A5A86
oklch(48.6% 0.07 283.5)
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 #66612F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.029
- Greeny Brown #696006 ΔE 0.029
- Dark Moss Green #606C38 ΔE 0.031
- Camo Green #526525 ΔE 0.037
- Dark Olive Green #556B2F ΔE 0.038
- Mud Green #606602 ΔE 0.042
- Olive Brown #645403 ΔE 0.043
- Brown Green #706C11 ΔE 0.048
Use #66612F 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.