#066A34
Closest named color: Spruce (#0A5F38). oklch(46% 0.119 151.8), rgb(6, 106, 52).
Aa
White text reads best on this color (6.73:1).
About this color
#066A34 is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.119 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.038 away. White text reads best on it, at 6.73:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #066A34 |
| RGB | rgb(6, 106, 52) |
| HSL | hsl(148, 89%, 22%) |
| OKLCH | oklch(46% 0.119 151.8) |
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 #066A34 | 6.73:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #066A34 | 3.11:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #066A34 text on white | 6.73:1 | AA | Lc 82.7 | Fine for body text |
| #066A34 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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A6CCAE
oklch(80.9% 0.058 151.2)
-
Step 400
400
#74B184
oklch(70.6% 0.091 151.8)
-
Step 500
500
#4B9E65
oklch(63.2% 0.118 151.8)
-
Step 600
600
#28884C
oklch(55.6% 0.128 151.9)
-
Step 700
700 (this color)
#066A34
oklch(46% 0.119 151.8)
-
Step 800
800
#185E32
oklch(42.7% 0.099 151.6)
-
Step 900
900
#1C4D2C
oklch(37.7% 0.077 151.6)
-
Step 950
950
#122D1A
oklch(27% 0.049 151.5)
#066A34 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) | #6A6030 | 0.100 |
| Deuteranopia (no green cones) | #605938 | 0.099 |
| Tritanopia (no blue cones) | #00685D | 0.064 |
| Achromatopsia (no color) | #5C5C5C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066A34
#066A34
oklch(46% 0.119 151.8)
- #7D3B75
#7D3B75
oklch(46% 0.119 332.1)
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 #066A34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.038
- Dark Green #006400 ΔE 0.043
- Pine #2B5D34 ΔE 0.044
- Camouflage Green #4B6113 ΔE 0.055
- Army Green #4B5D16 ΔE 0.059
- Camo Green #526525 ΔE 0.060
- Deep Green #02590F ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.065
Use #066A34 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.