#668A4A
Closest named color: Khaki Green (#728639). oklch(59.1% 0.1 132.7), rgb(102, 138, 74).
Aa
Black text reads best on this color (5.29:1).
About this color
#668A4A is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.100 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Khaki Green (#728639), ΔE 0.021 away. Black text reads best on it, at 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Khaki Green (#728639) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #668A4A |
| RGB | rgb(102, 138, 74) |
| HSL | hsl(94, 30%, 42%) |
| OKLCH | oklch(59.1% 0.1 132.7) |
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 #668A4A | 3.96:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #668A4A | 5.29:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #668A4A text on white | 3.96:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #668A4A text on black | 5.29:1 | AA | Lc -34.7 | 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
#D3DDCC
oklch(88.5% 0.025 132.1)
-
Step 300
300
#B6C7AA
oklch(80.9% 0.044 132.3)
-
Step 400
400
#8FAB7C
oklch(70.8% 0.073 133.1)
-
Step 500
500
#74955B
oklch(63% 0.09 132.6)
-
Step 600
600 (this color)
#668A4A
oklch(59.1% 0.1 132.7)
-
Step 700
700
#4C6C32
oklch(49.2% 0.093 132.7)
-
Step 800
800
#3E582A
oklch(42.7% 0.077 133)
-
Step 900
900
#354826
oklch(37.6% 0.06 132.5)
-
Step 950
950
#1F2A17
oklch(26.9% 0.037 132.9)
#668A4A 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) | #8F8245 | 0.059 |
| Deuteranopia (no green cones) | #897F4E | 0.058 |
| Tritanopia (no blue cones) | #67857B | 0.075 |
| Achromatopsia (no color) | #808080 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668A4A
#668A4A
oklch(59.1% 0.1 132.7)
- #926BA8
#926BA8
oklch(59% 0.1 312.8)
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 #668A4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Khaki Green #728639 ΔE 0.021
- Moss Green #658B38 ΔE 0.021
- Swamp #698339 ΔE 0.023
- Fern Green #548D44 ΔE 0.025
- Light Forest Green #4F9153 ΔE 0.028
- Dark Sage #598556 ΔE 0.029
- Mossy Green #638B27 ΔE 0.036
- Drab Green #749551 ΔE 0.038
Use #668A4A 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.