#066B0A
Closest named color: Dark Green (#006400). oklch(45.8% 0.151 142.9), rgb(6, 107, 10).
Aa
White text reads best on this color (6.74:1).
About this color
#066B0A is a medium-dark, vivid green. In OKLCH its lightness is 46%, its chroma 0.151 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.023 away. White text reads best on it, at 6.74:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.11:1 |
| White text | 6.74:1 |
Values
| HEX | #066B0A |
| RGB | rgb(6, 107, 10) |
| HSL | hsl(122, 89%, 22%) |
| OKLCH | oklch(45.8% 0.151 142.9) |
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 #066B0A | 6.74:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #066B0A | 3.11:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #066B0A text on white | 6.74:1 | AA | Lc 82.6 | Fine for body text |
| #066B0A text on black | 3.11:1 | AA large text | Lc -19.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C7E2C5
oklch(88.5% 0.049 143.3)
-
Step 300
300
#9FD09C
oklch(80.9% 0.088 143.3)
-
Step 400
400
#67B763
oklch(70.8% 0.142 142.9)
-
Step 500
500
#35A333
oklch(63% 0.18 142.8)
-
Step 600
600
#008C09
oklch(55.5% 0.186 142.9)
-
Step 700
700
#007606
oklch(49% 0.165 142.9)
-
Step 800
800 (this color)
#066B0A
oklch(45.8% 0.151 142.9)
-
Step 900
900
#0C500C
oklch(37.7% 0.118 142.8)
-
Step 950
950
#0B2F0A
oklch(27% 0.074 142.8)
#066B0A 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) | #6D6000 | 0.107 |
| Deuteranopia (no green cones) | #645918 | 0.107 |
| Tritanopia (no blue cones) | #00685A | 0.097 |
| Achromatopsia (no color) | #5B5B5B | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066B0A
#066B0A
oklch(45.8% 0.151 142.9)
- #7D3387
#7D3387
oklch(45.8% 0.15 322.8)
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 #066B0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.023
- Deep Green #02590F ΔE 0.059
- Camouflage Green #4B6113 ΔE 0.061
- Tree Green #2A7E19 ΔE 0.064
- Spruce #0A5F38 ΔE 0.066
- Green #008000 ΔE 0.067
- Army Green #4B5D16 ΔE 0.069
- Pine #2B5D34 ΔE 0.071
Use #066B0A 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.