#66873C
Closest named color: Swamp (#698339). oklch(58.1% 0.11 129.1), rgb(102, 135, 60).
Aa
Black text reads best on this color (5.09:1).
About this color
#66873C is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.110 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.011 away. Black text reads best on it, at 5.09:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #66873C |
| RGB | rgb(102, 135, 60) |
| HSL | hsl(86, 38%, 38%) |
| OKLCH | oklch(58.1% 0.11 129.1) |
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 #66873C | 4.12:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #66873C | 5.09:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #66873C text on white | 4.12:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #66873C text on black | 5.09:1 | AA | Lc -33.4 | Non-text elements, placeholder text |
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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D3DDCA
oklch(88.5% 0.028 129.8)
-
Step 300
300
#B7C7A6
oklch(80.9% 0.048 128.6)
-
Step 400
400
#91AB76
oklch(70.8% 0.079 129.5)
-
Step 500
500
#769551
oklch(63% 0.101 129)
-
Step 600
600 (this color)
#66873C
oklch(58.1% 0.11 129.1)
-
Step 700
700
#4E6C27
oklch(49.2% 0.103 129.4)
-
Step 800
800
#405822
oklch(42.8% 0.085 129.4)
-
Step 900
900
#364821
oklch(37.6% 0.065 129.5)
-
Step 950
950
#202A14
oklch(26.9% 0.041 128.8)
#66873C 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) | #8D7E35 | 0.058 |
| Deuteranopia (no green cones) | #887C41 | 0.058 |
| Tritanopia (no blue cones) | #698276 | 0.084 |
| Achromatopsia (no color) | #7D7D7D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66873C
#66873C
oklch(58.1% 0.11 129.1)
- #8E67AC
#8E67AC
oklch(58.1% 0.111 309.3)
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 #66873C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.011
- Moss Green #658B38 ΔE 0.014
- Khaki Green #728639 ΔE 0.015
- Fern Green #548D44 ΔE 0.024
- Mossy Green #638B27 ΔE 0.026
- Military Green #667C3E ΔE 0.034
- Olive Drab #6B8E23 ΔE 0.034
- Swamp Green #748500 ΔE 0.035
Use #66873C 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.