#668D4C
Closest named color: Moss Green (#658B38). oklch(59.8% 0.102 133.9), rgb(102, 141, 76).
Aa
Black text reads best on this color (5.47:1).
About this color
#668D4C is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.102 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.021 away. Black text reads best on it, at 5.47:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #668D4C |
| RGB | rgb(102, 141, 76) |
| HSL | hsl(96, 30%, 43%) |
| OKLCH | oklch(59.8% 0.102 133.9) |
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 #668D4C | 3.83:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #668D4C | 5.47:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #668D4C text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #668D4C text on black | 5.47:1 | AA | Lc -35.9 | 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
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D2DDCB
oklch(88.4% 0.027 133)
-
Step 300
300
#B4C8A8
oklch(80.9% 0.049 133.7)
-
Step 400
400
#8CAC79
oklch(70.7% 0.08 134.2)
-
Step 500
500 (this color)
#668D4C
oklch(59.8% 0.102 133.9)
-
Step 600
600
#57813A
oklch(55.5% 0.111 134.1)
-
Step 700
700
#476D2C
oklch(49.1% 0.103 134.1)
-
Step 800
800
#3B5926
oklch(42.7% 0.085 134)
-
Step 900
900
#334923
oklch(37.7% 0.066 133.4)
-
Step 950
950
#1E2B15
oklch(27% 0.042 133.5)
#668D4C 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) | #928447 | 0.063 |
| Deuteranopia (no green cones) | #8C8150 | 0.063 |
| Tritanopia (no blue cones) | #66897D | 0.073 |
| Achromatopsia (no color) | #828282 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668D4C
#668D4C
oklch(59.8% 0.102 133.9)
- #966DAA
#966DAA
oklch(59.9% 0.101 314.2)
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 #668D4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.021
- Fern Green #548D44 ΔE 0.024
- Light Forest Green #4F9153 ΔE 0.025
- Khaki Green #728639 ΔE 0.025
- Swamp #698339 ΔE 0.030
- Drab Green #749551 ΔE 0.031
- Camo #7F8F4E ΔE 0.034
- Dark Sage #598556 ΔE 0.035
Use #668D4C 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.