#668643
Closest named color: Swamp (#698339). oklch(57.9% 0.101 130), rgb(102, 134, 67).
Aa
Black text reads best on this color (5.05:1).
About this color
#668643 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.101 and its hue 130°. 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 5.05:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #668643 |
| RGB | rgb(102, 134, 67) |
| HSL | hsl(89, 33%, 39%) |
| OKLCH | oklch(57.9% 0.101 130) |
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 #668643 | 4.15:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #668643 | 5.05:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #668643 text on white | 4.15:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #668643 text on black | 5.05:1 | AA | Lc -33.1 | 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
#E7ECE3
oklch(93.7% 0.013 130.8)
-
Step 200
200
#D4DDCB
oklch(88.6% 0.026 128.8)
-
Step 300
300
#B7C7A8
oklch(80.9% 0.046 129.7)
-
Step 400
400
#92AA7A
oklch(70.7% 0.072 129.7)
-
Step 500
500
#779557
oklch(63.1% 0.094 129.8)
-
Step 600
600 (this color)
#668643
oklch(57.9% 0.101 130)
-
Step 700
700
#4F6B2E
oklch(49.1% 0.094 129.8)
-
Step 800
800
#415727
oklch(42.6% 0.077 129.5)
-
Step 900
900
#374824
oklch(37.7% 0.061 129.6)
-
Step 950
950
#202A16
oklch(26.9% 0.038 130.2)
#668643 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) | #8B7E3D | 0.055 |
| Deuteranopia (no green cones) | #877C47 | 0.055 |
| Tritanopia (no blue cones) | #688176 | 0.077 |
| Achromatopsia (no color) | #7C7C7C | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668643
#668643
oklch(57.9% 0.101 130)
- #8D68A7
#8D68A7
oklch(57.9% 0.102 310.4)
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 #668643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.011
- Khaki Green #728639 ΔE 0.017
- Moss Green #658B38 ΔE 0.022
- Dark Sage #598556 ΔE 0.027
- Fern Green #548D44 ΔE 0.027
- Military Green #667C3E ΔE 0.029
- Mossy Green #638B27 ΔE 0.035
- Light Forest Green #4F9153 ΔE 0.036
Use #668643 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.