#668E50
Closest named color: Light Forest Green (#4F9153). oklch(60.2% 0.099 135.2), rgb(102, 142, 80).
Aa
Black text reads best on this color (5.54:1).
About this color
#668E50 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.099 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.024 away. Black text reads best on it, at 5.54:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #668E50 |
| RGB | rgb(102, 142, 80) |
| HSL | hsl(99, 28%, 44%) |
| OKLCH | oklch(60.2% 0.099 135.2) |
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 #668E50 | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #668E50 | 5.54:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #668E50 text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #668E50 text on black | 5.54:1 | AA | Lc -36.4 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
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
#B3C8A9
oklch(80.8% 0.048 135.5)
-
Step 400
400
#8CAC7B
oklch(70.8% 0.078 135)
-
Step 500
500 (this color)
#668E50
oklch(60.2% 0.099 135.2)
-
Step 600
600
#56813E
oklch(55.5% 0.108 135.4)
-
Step 700
700
#466D2F
oklch(49% 0.101 135.3)
-
Step 800
800
#3A5928
oklch(42.7% 0.084 135.2)
-
Step 900
900
#324925
oklch(37.6% 0.065 135.1)
-
Step 950
950
#1D2B16
oklch(27% 0.042 135.8)
#668E50 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) | #92854B | 0.063 |
| Deuteranopia (no green cones) | #8C8254 | 0.063 |
| Tritanopia (no blue cones) | #668A7F | 0.071 |
| Achromatopsia (no color) | #838383 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668E50
#668E50
oklch(60.2% 0.099 135.2)
- #976EA9
#976EA9
oklch(60.1% 0.099 315.2)
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 #668E50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.024
- Moss Green #658B38 ΔE 0.026
- Fern Green #548D44 ΔE 0.027
- Drab Green #749551 ΔE 0.028
- Khaki Green #728639 ΔE 0.029
- Camo #7F8F4E ΔE 0.033
- Swamp #698339 ΔE 0.034
- Dark Sage #598556 ΔE 0.035
Use #668E50 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.