#668133
Closest named color: Swamp (#698339). oklch(56.5% 0.11 125.8), rgb(102, 129, 51).
Aa
Black text reads best on this color (4.75:1).
About this color
#668133 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.110 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.009 away. Black text reads best on it, at 4.75:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #668133 |
| RGB | rgb(102, 129, 51) |
| HSL | hsl(81, 43%, 35%) |
| OKLCH | oklch(56.5% 0.11 125.8) |
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 #668133 | 4.41:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #668133 | 4.75:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #668133 text on white | 4.41:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #668133 text on black | 4.75:1 | AA | Lc -31.1 | 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
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D4DDC9
oklch(88.5% 0.029 126.8)
-
Step 300
300
#B9C7A4
oklch(81% 0.05 125.3)
-
Step 400
400
#94AA73
oklch(70.7% 0.08 126.1)
-
Step 500
500
#7A944E
oklch(63% 0.101 125.9)
-
Step 600
600 (this color)
#668133
oklch(56.5% 0.11 125.8)
-
Step 700
700
#526B23
oklch(49.2% 0.103 126.3)
-
Step 800
800
#44571F
oklch(42.8% 0.084 125.6)
-
Step 900
900
#39481F
oklch(37.8% 0.066 126)
-
Step 950
950
#212A13
oklch(27% 0.041 126.5)
#668133 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) | #88792B | 0.052 |
| Deuteranopia (no green cones) | #847838 | 0.051 |
| Tritanopia (no blue cones) | #6A7B70 | 0.089 |
| Achromatopsia (no color) | #787878 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668133
#668133
oklch(56.5% 0.11 125.8)
- #8664A9
#8664A9
oklch(56.6% 0.11 305.9)
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 #668133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.009
- Military Green #667C3E ΔE 0.022
- Khaki Green #728639 ΔE 0.024
- Murky Green #6C7A0E ΔE 0.026
- Moss Green #658B38 ΔE 0.028
- Olive Green #677A04 ΔE 0.030
- Mossy Green #638B27 ΔE 0.034
- Swamp Green #748500 ΔE 0.035
Use #668133 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.