#668A4E
Closest named color: Khaki Green (#728639). oklch(59.1% 0.095 133.8), rgb(102, 138, 78).
Aa
Black text reads best on this color (5.31:1).
About this color
#668A4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.095 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Khaki Green (#728639), ΔE 0.024 away. Black text reads best on it, at 5.31:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Khaki Green (#728639) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #668A4E |
| RGB | rgb(102, 138, 78) |
| HSL | hsl(96, 28%, 42%) |
| OKLCH | oklch(59.1% 0.095 133.8) |
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 #668A4E | 3.95:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #668A4E | 5.31:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #668A4E text on white | 3.95:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #668A4E text on black | 5.31:1 | AA | Lc -34.8 | 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 600.
-
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
#D3DDCD
oklch(88.5% 0.024 133.5)
-
Step 300
300
#B6C7AB
oklch(80.9% 0.043 133)
-
Step 400
400
#8FAA7F
oklch(70.6% 0.068 134.1)
-
Step 500
500
#74955E
oklch(63.1% 0.087 133.5)
-
Step 600
600 (this color)
#668A4E
oklch(59.1% 0.095 133.8)
-
Step 700
700
#4C6C35
oklch(49.3% 0.09 133.5)
-
Step 800
800
#3E582D
oklch(42.8% 0.074 134.1)
-
Step 900
900
#354828
oklch(37.6% 0.057 133.5)
-
Step 950
950
#1F2A18
oklch(26.9% 0.035 133.8)
#668A4E 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) | #8E8249 | 0.058 |
| Deuteranopia (no green cones) | #897F51 | 0.058 |
| Tritanopia (no blue cones) | #66867B | 0.068 |
| Achromatopsia (no color) | #808080 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668A4E
#668A4E
oklch(59.1% 0.095 133.8)
- #926CA5
#926CA5
oklch(59.1% 0.095 314)
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 #668A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Khaki Green #728639 ΔE 0.024
- Swamp #698339 ΔE 0.025
- Moss Green #658B38 ΔE 0.026
- Dark Sage #598556 ΔE 0.026
- Fern Green #548D44 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.029
- Camo #7F8F4E ΔE 0.038
- Drab Green #749551 ΔE 0.038
Use #668A4E 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.