#066E30
Closest named color: Dark Green (#006400). oklch(47.1% 0.128 149.7), rgb(6, 110, 48).
Aa
White text reads best on this color (6.40:1).
About this color
#066E30 is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.128 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.044 away. White text reads best on it, at 6.40:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.28:1 |
| White text | 6.40:1 |
Values
| HEX | #066E30 |
| RGB | rgb(6, 110, 48) |
| HSL | hsl(144, 90%, 23%) |
| OKLCH | oklch(47.1% 0.128 149.7) |
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 #066E30 | 6.40:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #066E30 | 3.28:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #066E30 text on white | 6.40:1 | AA | Lc 81.2 | Fine for body text |
| #066E30 text on black | 3.28:1 | AA large text | Lc -20.6 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A5CCAC
oklch(80.8% 0.061 150.1)
-
Step 400
400
#72B27F
oklch(70.7% 0.099 149.7)
-
Step 500
500
#499E5E
oklch(63% 0.126 149.5)
-
Step 600
600
#238944
oklch(55.7% 0.139 149.6)
-
Step 700
700 (this color)
#066E30
oklch(47.1% 0.128 149.7)
-
Step 800
800
#155E2D
oklch(42.6% 0.106 149.8)
-
Step 900
900
#1A4D28
oklch(37.5% 0.083 149.6)
-
Step 950
950
#112D18
oklch(26.9% 0.052 149.8)
#066E30 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) | #6F632A | 0.105 |
| Deuteranopia (no green cones) | #645C35 | 0.103 |
| Tritanopia (no blue cones) | #006C60 | 0.072 |
| Achromatopsia (no color) | #5F5F5F | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066E30
#066E30
oklch(47.1% 0.128 149.7)
- #813C7D
#813C7D
oklch(47.1% 0.128 329.6)
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 #066E30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.044
- Spruce #0A5F38 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.057
- Pine #2B5D34 ΔE 0.058
- Camo Green #526525 ΔE 0.061
- Jungle Green #048243 ΔE 0.062
- Tree Green #2A7E19 ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.063
Use #066E30 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.