#668E55
Closest named color: Light Forest Green (#4F9153). oklch(60.2% 0.094 136.8), rgb(102, 142, 85).
Aa
Black text reads best on this color (5.56:1).
About this color
#668E55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.094 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.026 away. Black text reads best on it, at 5.56:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #668E55 |
| RGB | rgb(102, 142, 85) |
| HSL | hsl(102, 25%, 45%) |
| OKLCH | oklch(60.2% 0.094 136.8) |
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 #668E55 | 3.77:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #668E55 | 5.56:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #668E55 text on white | 3.77:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #668E55 text on black | 5.56:1 | AA | Lc -36.5 | 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
#D2DDCD
oklch(88.5% 0.025 135.7)
-
Step 300
300
#B3C8AB
oklch(80.9% 0.046 137)
-
Step 400
400
#8BAC7E
oklch(70.8% 0.075 137)
-
Step 500
500 (this color)
#668E55
oklch(60.2% 0.094 136.8)
-
Step 600
600
#568143
oklch(55.6% 0.102 136.8)
-
Step 700
700
#466D35
oklch(49.1% 0.095 136.9)
-
Step 800
800
#3A592C
oklch(42.8% 0.079 136.7)
-
Step 900
900
#324928
oklch(37.7% 0.061 136.7)
-
Step 950
950
#1D2B18
oklch(27% 0.039 137.7)
#668E55 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) | #928651 | 0.062 |
| Deuteranopia (no green cones) | #8C8258 | 0.062 |
| Tritanopia (no blue cones) | #658A80 | 0.066 |
| Achromatopsia (no color) | #838383 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668E55
#668E55
oklch(60.2% 0.094 136.8)
- #986FA6
#986FA6
oklch(60.3% 0.094 317.3)
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 #668E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.026
- Drab Green #749551 ΔE 0.029
- Moss Green #658B38 ΔE 0.032
- Fern Green #548D44 ΔE 0.032
- Khaki Green #728639 ΔE 0.032
- Camo #7F8F4E ΔE 0.033
- Dark Sage #598556 ΔE 0.033
- Slate Green #658D6D ΔE 0.034
Use #668E55 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.