#166040
Closest named color: Spruce (#0A5F38). oklch(43.6% 0.089 159.9), rgb(22, 96, 64).
Aa
White text reads best on this color (7.55:1).
About this color
#166040 is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.089 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.014 away. White text reads best on it, at 7.55:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.78:1 |
| White text | 7.55:1 |
Values
| HEX | #166040 |
| RGB | rgb(22, 96, 64) |
| HSL | hsl(154, 63%, 23%) |
| OKLCH | oklch(43.6% 0.089 159.9) |
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 #166040 | 7.55:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #166040 | 2.78:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #166040 text on white | 7.55:1 | AAA | Lc 85.9 | Fine for body text |
| #166040 text on black | 2.78:1 | Fails | Lc -16.2 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD3
oklch(88.5% 0.028 160.8)
-
Step 300
300
#A4CBB5
oklch(80.8% 0.052 160.3)
-
Step 400
400
#71B18F
oklch(70.7% 0.083 160.1)
-
Step 500
500
#479D73
oklch(63.1% 0.106 159.9)
-
Step 600
600
#1F875B
oklch(55.5% 0.115 159.9)
-
Step 700
700
#0D734B
oklch(49.2% 0.108 159.8)
-
Step 800
800 (this color)
#166040
oklch(43.6% 0.089 159.9)
-
Step 900
900
#194D35
oklch(37.8% 0.069 160.1)
-
Step 950
950
#102D1F
oklch(27% 0.044 160.3)
#166040 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) | #5F583E | 0.084 |
| Deuteranopia (no green cones) | #555242 | 0.080 |
| Tritanopia (no blue cones) | #006058 | 0.038 |
| Achromatopsia (no color) | #545454 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166040
#166040
oklch(43.6% 0.089 159.9)
- #713C61
#713C61
oklch(43.5% 0.09 339.5)
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 #166040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.014
- Pine #2B5D34 ΔE 0.019
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Blue Green #005249 ΔE 0.055
- Deep Green #02590F ΔE 0.060
- Navy Green #35530A ΔE 0.060
- Army Green #4B5D16 ΔE 0.061
- Camouflage Green #4B6113 ΔE 0.065
Use #166040 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.