#668C4F
Closest named color: Moss Green (#658B38). oklch(59.6% 0.097 134.5), rgb(102, 140, 79).
Aa
Black text reads best on this color (5.42:1).
About this color
#668C4F is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.097 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.025 away. Black text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.42:1 |
| White text | 3.86:1 |
Values
| HEX | #668C4F |
| RGB | rgb(102, 140, 79) |
| HSL | hsl(97, 28%, 43%) |
| OKLCH | oklch(59.6% 0.097 134.5) |
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 #668C4F | 3.86:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #668C4F | 5.42:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #668C4F text on white | 3.86:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #668C4F text on black | 5.42:1 | AA | Lc -35.6 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCC
oklch(88.4% 0.026 134.3)
-
Step 300
300
#B4C8A9
oklch(80.9% 0.048 134.4)
-
Step 400
400
#8DAC7B
oklch(70.8% 0.077 134.3)
-
Step 500
500 (this color)
#668C4F
oklch(59.6% 0.097 134.5)
-
Step 600
600
#58813E
oklch(55.7% 0.106 134.6)
-
Step 700
700
#486D30
oklch(49.2% 0.099 134.5)
-
Step 800
800
#3B5929
oklch(42.8% 0.082 134.9)
-
Step 900
900
#334925
oklch(37.7% 0.064 134.3)
-
Step 950
950
#1E2B16
oklch(27.1% 0.041 134.3)
#668C4F 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) | #90844A | 0.060 |
| Deuteranopia (no green cones) | #8B8053 | 0.062 |
| Tritanopia (no blue cones) | #66887D | 0.070 |
| Achromatopsia (no color) | #828282 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668C4F
#668C4F
oklch(59.6% 0.097 134.5)
- #956DA7
#956DA7
oklch(59.7% 0.097 315)
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 #668C4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.025
- Khaki Green #728639 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.026
- Fern Green #548D44 ΔE 0.027
- Swamp #698339 ΔE 0.030
- Dark Sage #598556 ΔE 0.030
- Drab Green #749551 ΔE 0.033
- Camo #7F8F4E ΔE 0.035
Use #668C4F 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.