#668E4E
Closest named color: Moss Green (#658B38). oklch(60.1% 0.102 134.7), rgb(102, 142, 78).
Aa
Black text reads best on this color (5.54:1).
About this color
#668E4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.102 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 0.023 away. Black text reads best on it, at 5.54:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #668E4E |
| RGB | rgb(102, 142, 78) |
| HSL | hsl(98, 29%, 43%) |
| OKLCH | oklch(60.1% 0.102 134.7) |
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 #668E4E | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #668E4E | 5.54:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #668E4E text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #668E4E text on black | 5.54:1 | AA | Lc -36.3 | 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
#D2DECB
oklch(88.6% 0.029 133.7)
-
Step 300
300
#B3C8A8
oklch(80.8% 0.05 134.8)
-
Step 400
400
#8CAC7A
oklch(70.7% 0.079 134.6)
-
Step 500
500 (this color)
#668E4E
oklch(60.1% 0.102 134.7)
-
Step 600
600
#56813B
oklch(55.5% 0.111 134.7)
-
Step 700
700
#466D2D
oklch(49% 0.103 134.8)
-
Step 800
800
#3A5927
oklch(42.7% 0.085 134.9)
-
Step 900
900
#324924
oklch(37.6% 0.066 134.6)
-
Step 950
950
#1D2B16
oklch(27% 0.042 135.8)
#668E4E 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) | #928549 | 0.063 |
| Deuteranopia (no green cones) | #8C8252 | 0.063 |
| Tritanopia (no blue cones) | #668A7F | 0.073 |
| Achromatopsia (no color) | #838383 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668E4E
#668E4E
oklch(60.1% 0.102 134.7)
- #976DAB
#976DAB
oklch(60% 0.103 314.4)
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 #668E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.023
- Light Forest Green #4F9153 ΔE 0.024
- Fern Green #548D44 ΔE 0.026
- Khaki Green #728639 ΔE 0.027
- Drab Green #749551 ΔE 0.028
- Swamp #698339 ΔE 0.033
- Camo #7F8F4E ΔE 0.033
- Dark Sage #598556 ΔE 0.036
Use #668E4E 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.