#166F3C
Closest named color: Spruce (#0A5F38). oklch(47.9% 0.115 152.7), rgb(22, 111, 60).
Aa
White text reads best on this color (6.22:1).
About this color
#166F3C is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.115 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.053 away. White text reads best on it, at 6.22:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #166F3C |
| RGB | rgb(22, 111, 60) |
| HSL | hsl(146, 67%, 26%) |
| OKLCH | oklch(47.9% 0.115 152.7) |
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 #166F3C | 6.22:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #166F3C | 3.37:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #166F3C text on white | 6.22:1 | AA | Lc 80.6 | Fine for body text |
| #166F3C text on black | 3.37:1 | AA large text | Lc -21.2 | 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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CBDFD0
oklch(88.5% 0.029 153.3)
-
Step 300
300
#A6CCB0
oklch(81% 0.056 153.1)
-
Step 400
400
#75B186
oklch(70.7% 0.089 152.6)
-
Step 500
500
#4D9D68
oklch(63.1% 0.113 152.9)
-
Step 600
600
#2B874F
oklch(55.5% 0.122 152.8)
-
Step 700
700 (this color)
#166F3C
oklch(47.9% 0.115 152.7)
-
Step 800
800
#1A5D35
oklch(42.6% 0.094 153.1)
-
Step 900
900
#1D4D2E
oklch(37.8% 0.075 152.7)
-
Step 950
950
#122D1B
oklch(27% 0.047 152.8)
#166F3C 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) | #6F6538 | 0.098 |
| Deuteranopia (no green cones) | #655E40 | 0.097 |
| Tritanopia (no blue cones) | #006D63 | 0.061 |
| Achromatopsia (no color) | #616161 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166F3C
#166F3C
oklch(47.9% 0.115 152.7)
- #824279
#824279
oklch(47.9% 0.114 332.7)
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 #166F3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.053
- Pine #2B5D34 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.055
- Camo Green #526525 ΔE 0.056
- Camouflage Green #4B6113 ΔE 0.058
- Jungle Green #048243 ΔE 0.058
- Dark Green #006400 ΔE 0.059
- Army Green #4B5D16 ΔE 0.065
Use #166F3C 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.