#066C1A
Closest named color: Dark Green (#006400). oklch(46.3% 0.144 144.7), rgb(6, 108, 26).
Aa
White text reads best on this color (6.62:1).
About this color
#066C1A is a medium-dark, vivid green. In OKLCH its lightness is 46%, its chroma 0.144 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.027 away. White text reads best on it, at 6.62:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #066C1A |
| RGB | rgb(6, 108, 26) |
| HSL | hsl(132, 89%, 22%) |
| OKLCH | oklch(46.3% 0.144 144.7) |
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 #066C1A | 6.62:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #066C1A | 3.16:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #066C1A text on white | 6.62:1 | AA | Lc 82.2 | Fine for body text |
| #066C1A text on black | 3.16:1 | AA large text | Lc -19.7 | 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 700.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CA
oklch(88.4% 0.038 145.2)
-
Step 300
300
#A5CDA5
oklch(80.9% 0.07 144.9)
-
Step 400
400
#73B374
oklch(70.7% 0.112 144.6)
-
Step 500
500
#4A9F4F
oklch(63% 0.142 144.8)
-
Step 600
600
#278931
oklch(55.5% 0.154 144.6)
-
Step 700
700 (this color)
#066C1A
oklch(46.3% 0.144 144.7)
-
Step 800
800
#175F1F
oklch(42.7% 0.12 144.7)
-
Step 900
900
#1C4E1F
oklch(37.8% 0.093 144.5)
-
Step 950
950
#122E13
oklch(27.1% 0.059 144.4)
#066C1A 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) | #6E610C | 0.106 |
| Deuteranopia (no green cones) | #645A23 | 0.106 |
| Tritanopia (no blue cones) | #00695C | 0.090 |
| Achromatopsia (no color) | #5D5D5D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066C1A
#066C1A
oklch(46.3% 0.144 144.7)
- #7F3684
#7F3684
oklch(46.3% 0.143 325)
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 #066C1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.027
- Camouflage Green #4B6113 ΔE 0.058
- Deep Green #02590F ΔE 0.061
- Spruce #0A5F38 ΔE 0.061
- Tree Green #2A7E19 ΔE 0.062
- Pine #2B5D34 ΔE 0.066
- Green #008000 ΔE 0.066
- Army Green #4B5D16 ΔE 0.066
Use #066C1A 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.