#166B38
Closest named color: Spruce (#0A5F38). oklch(46.6% 0.113 151.8), rgb(22, 107, 56).
Aa
White text reads best on this color (6.57:1).
About this color
#166B38 is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.113 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.041 away. White text reads best on it, at 6.57:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #166B38 |
| RGB | rgb(22, 107, 56) |
| HSL | hsl(144, 66%, 25%) |
| OKLCH | oklch(46.6% 0.113 151.8) |
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 #166B38 | 6.57:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #166B38 | 3.19:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #166B38 text on white | 6.57:1 | AA | Lc 82.1 | Fine for body text |
| #166B38 text on black | 3.19:1 | AA large text | Lc -19.8 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CBDFCF
oklch(88.4% 0.03 151.5)
-
Step 300
300
#A7CBAF
oklch(80.8% 0.055 151.7)
-
Step 400
400
#76B185
oklch(70.8% 0.089 151.6)
-
Step 500
500
#509D67
oklch(63.2% 0.112 151.7)
-
Step 600
600
#2F874E
oklch(55.6% 0.121 151.8)
-
Step 700
700 (this color)
#166B38
oklch(46.6% 0.113 151.8)
-
Step 800
800
#1E5D34
oklch(42.7% 0.093 151.7)
-
Step 900
900
#1F4C2E
oklch(37.6% 0.072 152.3)
-
Step 950
950
#132D1B
oklch(27% 0.047 152.1)
#166B38 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) | #6B6134 | 0.095 |
| Deuteranopia (no green cones) | #615A3C | 0.095 |
| Tritanopia (no blue cones) | #00695F | 0.061 |
| Achromatopsia (no color) | #5D5D5D | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166B38
#166B38
oklch(46.6% 0.113 151.8)
- #7D3F76
#7D3F76
oklch(46.6% 0.113 331.6)
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 #166B38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.041
- Pine #2B5D34 ΔE 0.044
- Dark Green #006400 ΔE 0.051
- Camouflage Green #4B6113 ΔE 0.052
- Camo Green #526525 ΔE 0.054
- Army Green #4B5D16 ΔE 0.058
- Dark Olive Green #556B2F ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.061
Use #166B38 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.