#166D44
Closest named color: Spruce (#0A5F38). oklch(47.5% 0.104 157.2), rgb(22, 109, 68).
Aa
White text reads best on this color (6.35:1).
About this color
#166D44 is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.104 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.046 away. White text reads best on it, at 6.35:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #166D44 |
| RGB | rgb(22, 109, 68) |
| HSL | hsl(152, 66%, 26%) |
| OKLCH | oklch(47.5% 0.104 157.2) |
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 #166D44 | 6.35:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #166D44 | 3.30:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #166D44 text on white | 6.35:1 | AA | Lc 81.2 | Fine for body text |
| #166D44 text on black | 3.30:1 | AA large text | Lc -20.7 | 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
#CBDFD2
oklch(88.5% 0.028 157.3)
-
Step 300
300
#A7CBB4
oklch(80.9% 0.05 157.1)
-
Step 400
400
#75B08D
oklch(70.7% 0.08 157.5)
-
Step 500
500
#4E9C70
oklch(63.1% 0.103 157)
-
Step 600
600
#2C8659
oklch(55.5% 0.11 157.6)
-
Step 700
700 (this color)
#166D44
oklch(47.5% 0.104 157.2)
-
Step 800
800
#1C5D3C
oklch(42.8% 0.086 157.2)
-
Step 900
900
#1E4C33
oklch(37.7% 0.067 157.1)
-
Step 950
950
#132D1E
oklch(27.1% 0.043 156.6)
#166D44 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) | #6C6441 | 0.094 |
| Deuteranopia (no green cones) | #625C47 | 0.094 |
| Tritanopia (no blue cones) | #006C62 | 0.047 |
| Achromatopsia (no color) | #5F5F5F | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166D44
#166D44
oklch(47.5% 0.104 157.2)
- #804371
#804371
oklch(47.4% 0.104 337.1)
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 #166D44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.046
- Pine #2B5D34 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.051
- Camo Green #526525 ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.061
- Army Green #4B5D16 ΔE 0.065
- Dark Aquamarine #017371 ΔE 0.066
Use #166D44 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.