#066B0F
Closest named color: Dark Green (#006400). oklch(45.9% 0.149 143.3), rgb(6, 107, 15).
Aa
White text reads best on this color (6.73:1).
About this color
#066B0F is a medium-dark, vivid green. In OKLCH its lightness is 46%, its chroma 0.149 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 6.73:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #066B0F |
| RGB | rgb(6, 107, 15) |
| HSL | hsl(125, 89%, 22%) |
| OKLCH | oklch(45.9% 0.149 143.3) |
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 #066B0F | 6.73:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #066B0F | 3.11:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #066B0F text on white | 6.73:1 | AA | Lc 82.6 | Fine for body text |
| #066B0F 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
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
#9FD09D
oklch(81% 0.087 143.7)
-
Step 400
400
#67B665
oklch(70.6% 0.139 143.4)
-
Step 500
500
#35A336
oklch(63.1% 0.178 143.2)
-
Step 600
600
#008C12
oklch(55.5% 0.184 143.3)
-
Step 700
700
#00760D
oklch(49.1% 0.163 143.3)
-
Step 800
800 (this color)
#066B0F
oklch(45.9% 0.149 143.3)
-
Step 900
900
#0C500F
oklch(37.7% 0.116 143.3)
-
Step 950
950
#0B2F0B
oklch(27% 0.073 143.2)
#066B0F 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 | 0.106 |
| Deuteranopia (no green cones) | #64591B | 0.107 |
| Tritanopia (no blue cones) | #00685A | 0.095 |
| Achromatopsia (no color) | #5C5C5C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066B0F
#066B0F
oklch(45.9% 0.149 143.3)
- #7D3386
#7D3386
oklch(45.8% 0.149 323.2)
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 #066B0F, 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 0.060
- Spruce #0A5F38 ΔE 0.064
- Tree Green #2A7E19 ΔE 0.064
- Green #008000 ΔE 0.067
- Army Green #4B5D16 ΔE 0.068
- Pine #2B5D34 ΔE 0.069
Use #066B0F 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.