#066F45
Closest named color: Spruce (#0A5F38). oklch(47.8% 0.109 158.4), rgb(6, 111, 69).
Aa
White text reads best on this color (6.23:1).
About this color
#066F45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.109 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.051 away. White text reads best on it, at 6.23:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #066F45 |
| RGB | rgb(6, 111, 69) |
| HSL | hsl(156, 90%, 23%) |
| OKLCH | oklch(47.8% 0.109 158.4) |
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 #066F45 | 6.23:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #066F45 | 3.36:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #066F45 text on white | 6.23:1 | AA | Lc 80.6 | Fine for body text |
| #066F45 text on black | 3.36:1 | AA large text | Lc -21.3 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD2
oklch(88.4% 0.029 158.6)
-
Step 300
300
#A5CCB4
oklch(81% 0.053 158)
-
Step 400
400
#72B18D
oklch(70.7% 0.084 158.3)
-
Step 500
500
#479D71
oklch(63.1% 0.108 158.7)
-
Step 600
600
#218859
oklch(55.7% 0.118 158.4)
-
Step 700
700 (this color)
#066F45
oklch(47.8% 0.109 158.4)
-
Step 800
800
#135E3C
oklch(42.8% 0.091 158.4)
-
Step 900
900
#1A4D33
oklch(37.8% 0.071 157.9)
-
Step 950
950
#112D1E
oklch(27% 0.044 158)
#066F45 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) | #6E6542 | 0.101 |
| Deuteranopia (no green cones) | #635D48 | 0.099 |
| Tritanopia (no blue cones) | #006E64 | 0.049 |
| Achromatopsia (no color) | #616161 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066F45
#066F45
oklch(47.8% 0.109 158.4)
- #844272
#844272
oklch(47.9% 0.11 338.5)
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 #066F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.051
- Pine #2B5D34 ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.061
- Jungle Green #048243 ΔE 0.062
- Camo Green #526525 ΔE 0.062
- Camouflage Green #4B6113 ΔE 0.065
- Dark Aquamarine #017371 ΔE 0.066
Use #066F45 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.