#668C56
Closest named color: Dark Sage (#598556). oklch(59.8% 0.089 136.8), rgb(102, 140, 86).
Aa
Black text reads best on this color (5.45:1).
About this color
#668C56 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.089 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.028 away. Black text reads best on it, at 5.45:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #668C56 |
| RGB | rgb(102, 140, 86) |
| HSL | hsl(102, 24%, 44%) |
| OKLCH | oklch(59.8% 0.089 136.8) |
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 #668C56 | 3.85:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #668C56 | 5.45:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #668C56 text on white | 3.85:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #668C56 text on black | 5.45:1 | AA | Lc -35.7 | 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 500.
-
Step 50
50
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D2DDCD
oklch(88.5% 0.025 135.7)
-
Step 300
300
#B4C8AC
oklch(81% 0.044 136.7)
-
Step 400
400
#8CAB80
oklch(70.6% 0.07 137.1)
-
Step 500
500 (this color)
#668C56
oklch(59.8% 0.089 136.8)
-
Step 600
600
#588046
oklch(55.5% 0.096 136.6)
-
Step 700
700
#476C37
oklch(49% 0.09 136.9)
-
Step 800
800
#3B582E
oklch(42.6% 0.074 136.6)
-
Step 900
900
#334929
oklch(37.8% 0.059 136.4)
-
Step 950
950
#1E2B18
oklch(27.1% 0.038 136.2)
#668C56 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) | #908452 | 0.060 |
| Deuteranopia (no green cones) | #8A8159 | 0.058 |
| Tritanopia (no blue cones) | #65887E | 0.062 |
| Achromatopsia (no color) | #828282 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668C56
#668C56
oklch(59.8% 0.089 136.8)
- #956FA3
#956FA3
oklch(59.8% 0.088 316.7)
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 #668C56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.029
- Slate Green #658D6D ΔE 0.031
- Khaki Green #728639 ΔE 0.032
- Fern Green #548D44 ΔE 0.034
- Moss Green #658B38 ΔE 0.034
- Drab Green #749551 ΔE 0.035
- Swamp #698339 ΔE 0.035
Use #668C56 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.