#66853C
Closest named color: Swamp (#698339). oklch(57.6% 0.107 128.4), rgb(102, 133, 60).
Aa
Black text reads best on this color (4.98:1).
About this color
#66853C is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.107 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.006 away. Black text reads best on it, at 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #66853C |
| RGB | rgb(102, 133, 60) |
| HSL | hsl(85, 38%, 38%) |
| OKLCH | oklch(57.6% 0.107 128.4) |
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 #66853C | 4.21:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #66853C | 4.98:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #66853C text on white | 4.21:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #66853C text on black | 4.98:1 | AA | Lc -32.7 | 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
#D4DDCA
oklch(88.5% 0.027 127.8)
-
Step 300
300
#B7C7A6
oklch(80.9% 0.048 128.6)
-
Step 400
400
#92AA76
oklch(70.6% 0.077 128.4)
-
Step 500
500
#789552
oklch(63.1% 0.099 128.1)
-
Step 600
600 (this color)
#66853C
oklch(57.6% 0.107 128.4)
-
Step 700
700
#506B28
oklch(49.1% 0.099 128.1)
-
Step 800
800
#415723
oklch(42.6% 0.082 128.5)
-
Step 900
900
#374821
oklch(37.7% 0.065 128.5)
-
Step 950
950
#202A14
oklch(26.9% 0.041 128.8)
#66853C 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) | #8B7D35 | 0.055 |
| Deuteranopia (no green cones) | #877B41 | 0.056 |
| Tritanopia (no blue cones) | #698075 | 0.084 |
| Achromatopsia (no color) | #7B7B7B | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66853C
#66853C
oklch(57.6% 0.107 128.4)
- #8B67A9
#8B67A9
oklch(57.6% 0.106 308.5)
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 #66853C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.006
- Khaki Green #728639 ΔE 0.016
- Moss Green #658B38 ΔE 0.019
- Fern Green #548D44 ΔE 0.027
- Military Green #667C3E ΔE 0.028
- Mossy Green #638B27 ΔE 0.030
- Dark Sage #598556 ΔE 0.032
- Swamp Green #748500 ΔE 0.037
Use #66853C 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.