#66724D
Closest named color: Dark Moss Green (#606C38). oklch(53.2% 0.057 122.9), rgb(102, 114, 77).
Aa
White text reads best on this color (5.14:1).
About this color
#66724D is a medium-dark, muted yellow. In OKLCH its lightness is 53%, its chroma 0.057 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.031 away. White text reads best on it, at 5.14:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 4.07:1 |
| White text | 5.14:1 |
Values
| HEX | #66724D |
| RGB | rgb(102, 114, 77) |
| HSL | hsl(79, 19%, 37%) |
| OKLCH | oklch(53.2% 0.057 122.9) |
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 #66724D | 5.14:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #66724D | 4.07:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #66724D text on white | 5.14:1 | AA | Lc 75.5 | Fine for body text |
| #66724D text on black | 4.07:1 | AA large text | Lc -26.3 | 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 600.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE5
oklch(93.7% 0.008 121.6)
-
Step 200
200
#D7DBD1
oklch(88.6% 0.014 124.6)
-
Step 300
300
#BDC4B2
oklch(81% 0.026 124.3)
-
Step 400
400
#9CA589
oklch(70.7% 0.041 121.9)
-
Step 500
500
#838F6C
oklch(63.1% 0.052 123.3)
-
Step 600
600 (this color)
#66724D
oklch(53.2% 0.057 122.9)
-
Step 700
700
#5B6644
oklch(49.1% 0.053 122.9)
-
Step 800
800
#4A5338
oklch(42.6% 0.044 123.2)
-
Step 900
900
#3E4531
oklch(37.8% 0.034 123.7)
-
Step 950
950
#24281D
oklch(26.9% 0.02 124)
#66724D 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) | #766E4B | 0.025 |
| Deuteranopia (no green cones) | #756D4F | 0.027 |
| Tritanopia (no blue cones) | #696E68 | 0.046 |
| Achromatopsia (no color) | #6D6D6D | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66724D
#66724D
oklch(53.2% 0.057 122.9)
- #736588
#736588
oklch(53.3% 0.056 302.8)
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 #66724D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.031
- Muddy Green #657432 ΔE 0.036
- Military Green #667C3E ΔE 0.041
- Grey Brown #7F7053 ΔE 0.041
- Dark Taupe #7F684E ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.049
- Dull Brown #876E4B ΔE 0.052
- Dirt Brown #836539 ΔE 0.054
Use #66724D 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.