#668F67
Closest named color: Slate Green (#658D6D). oklch(60.9% 0.075 145.2), rgb(102, 143, 103).
Aa
Black text reads best on this color (5.68:1).
About this color
#668F67 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.075 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.012 away. Black text reads best on it, at 5.68:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #668F67 |
| RGB | rgb(102, 143, 103) |
| HSL | hsl(121, 17%, 48%) |
| OKLCH | oklch(60.9% 0.075 145.2) |
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 #668F67 | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #668F67 | 5.68:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #668F67 text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #668F67 text on black | 5.68:1 | AA | Lc -37.2 | 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 500.
-
Step 50
50
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D1DDD1
oklch(88.5% 0.021 145.4)
-
Step 300
300
#B3C7B2
oklch(80.9% 0.036 143.9)
-
Step 400
400
#8AAB8A
oklch(70.7% 0.06 144.9)
-
Step 500
500 (this color)
#668F67
oklch(60.9% 0.075 145.2)
-
Step 600
600
#548055
oklch(55.6% 0.082 144.9)
-
Step 700
700
#446C46
oklch(49.1% 0.075 145.5)
-
Step 800
800
#385839
oklch(42.6% 0.063 145.1)
-
Step 900
900
#314931
oklch(37.8% 0.05 144.5)
-
Step 950
950
#1D2B1D
oklch(27.2% 0.032 144.6)
#668F67 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) | #918865 | 0.060 |
| Deuteranopia (no green cones) | #8A8369 | 0.059 |
| Tritanopia (no blue cones) | #628D84 | 0.045 |
| Achromatopsia (no color) | #858585 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668F67
#668F67
oklch(60.9% 0.075 145.2)
- #9A739C
#9A739C
oklch(60.8% 0.076 324.9)
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 #668F67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.012
- Green Grey #77926F ΔE 0.027
- Dark Sage #598556 ΔE 0.039
- Drab Green #749551 ΔE 0.040
- Camo #7F8F4E ΔE 0.041
- Light Forest Green #4F9153 ΔE 0.041
- Ocean Green #3D9973 ΔE 0.042
- Moss #769958 ΔE 0.045
Use #668F67 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.