#66843B
Closest named color: Swamp (#698339). oklch(57.3% 0.106 127.9), rgb(102, 132, 59).
Aa
Black text reads best on this color (4.92:1).
About this color
#66843B is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.106 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.004 away. Black text reads best on it, at 4.92:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #66843B |
| RGB | rgb(102, 132, 59) |
| HSL | hsl(85, 38%, 37%) |
| OKLCH | oklch(57.3% 0.106 127.9) |
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 #66843B | 4.26:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #66843B | 4.92:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #66843B text on white | 4.26:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #66843B text on black | 4.92:1 | AA | Lc -32.3 | 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
#B8C7A6
oklch(80.9% 0.048 127.4)
-
Step 400
400
#93AA76
oklch(70.7% 0.077 127.6)
-
Step 500
500
#789552
oklch(63.1% 0.099 128.1)
-
Step 600
600 (this color)
#66843B
oklch(57.3% 0.106 127.9)
-
Step 700
700
#506B28
oklch(49.1% 0.099 128.1)
-
Step 800
800
#425723
oklch(42.7% 0.081 127.8)
-
Step 900
900
#384821
oklch(37.7% 0.064 127.6)
-
Step 950
950
#212A14
oklch(27% 0.04 127.1)
#66843B 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) | #8A7C34 | 0.054 |
| Deuteranopia (no green cones) | #867A40 | 0.055 |
| Tritanopia (no blue cones) | #697F74 | 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°).
- #66843B
#66843B
oklch(57.3% 0.106 127.9)
- #8A66A9
#8A66A9
oklch(57.3% 0.107 308)
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 #66843B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.004
- Khaki Green #728639 ΔE 0.018
- Moss Green #658B38 ΔE 0.022
- Military Green #667C3E ΔE 0.025
- Fern Green #548D44 ΔE 0.030
- Mossy Green #638B27 ΔE 0.032
- Dark Sage #598556 ΔE 0.032
- Murky Green #6C7A0E ΔE 0.036
Use #66843B 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.