#66743D
Closest named color: Muddy Green (#657432). oklch(53.4% 0.08 120.9), rgb(102, 116, 61).
Aa
White text reads best on this color (5.08:1).
About this color
#66743D is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 53%, its chroma 0.080 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.013 away. White text reads best on it, at 5.08:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #66743D |
| RGB | rgb(102, 116, 61) |
| HSL | hsl(75, 31%, 35%) |
| OKLCH | oklch(53.4% 0.08 120.9) |
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 #66743D | 5.08:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #66743D | 4.13:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #66743D text on white | 5.08:1 | AA | Lc 75.1 | Fine for body text |
| #66743D text on black | 4.13:1 | AA large text | Lc -26.7 | 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 600.
-
Step 50
50
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE3
oklch(93.6% 0.011 118)
-
Step 200
200
#D7DBCD
oklch(88.4% 0.019 119.8)
-
Step 300
300
#BDC5AB
oklch(81% 0.037 121.1)
-
Step 400
400
#9BA77E
oklch(70.8% 0.059 121.2)
-
Step 500
500
#83915D
oklch(63.2% 0.075 120.8)
-
Step 600
600 (this color)
#66743D
oklch(53.4% 0.08 120.9)
-
Step 700
700
#5A6735
oklch(49% 0.074 121.2)
-
Step 800
800
#4A542C
oklch(42.7% 0.062 120.6)
-
Step 900
900
#3E4628
oklch(37.8% 0.049 120.9)
-
Step 950
950
#242918
oklch(27.1% 0.031 121.8)
#66743D 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) | #7A6E38 | 0.033 |
| Deuteranopia (no green cones) | #786E40 | 0.033 |
| Tritanopia (no blue cones) | #6A6F67 | 0.067 |
| Achromatopsia (no color) | #6E6E6E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66743D
#66743D
oklch(53.4% 0.08 120.9)
- #756294
#756294
oklch(53.4% 0.08 301.2)
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 #66743D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.013
- Military Green #667C3E ΔE 0.024
- Dark Moss Green #606C38 ΔE 0.026
- Brown Green #706C11 ΔE 0.037
- Browny Green #6F6C0A ΔE 0.039
- Dark Olive Green #556B2F ΔE 0.040
- Murky Green #6C7A0E ΔE 0.046
- Swamp #698339 ΔE 0.047
Use #66743D 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.