#166445
Closest named color: Spruce (#0A5F38). oklch(44.9% 0.09 161.7), rgb(22, 100, 69).
Aa
White text reads best on this color (7.13:1).
About this color
#166445 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.090 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.024 away. White text reads best on it, at 7.13:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #166445 |
| RGB | rgb(22, 100, 69) |
| HSL | hsl(156, 64%, 24%) |
| OKLCH | oklch(44.9% 0.09 161.7) |
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 #166445 | 7.13:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #166445 | 2.94:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #166445 text on white | 7.13:1 | AAA | Lc 84.4 | Fine for body text |
| #166445 text on black | 2.94:1 | Fails | Lc -17.6 | 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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD3
oklch(88.4% 0.029 162)
-
Step 300
300
#A3CCB6
oklch(81% 0.053 161.5)
-
Step 400
400
#6FB190
oklch(70.7% 0.084 161.5)
-
Step 500
500
#429D75
oklch(63% 0.107 162)
-
Step 600
600
#16885D
oklch(55.6% 0.117 161.4)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800 (this color)
#166445
oklch(44.9% 0.09 161.7)
-
Step 900
900
#164D36
oklch(37.7% 0.07 161.9)
-
Step 950
950
#0F2D20
oklch(27% 0.044 162.7)
#166445 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) | #625C43 | 0.085 |
| Deuteranopia (no green cones) | #595547 | 0.084 |
| Tritanopia (no blue cones) | #00645C | 0.036 |
| Achromatopsia (no color) | #585858 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166445
#166445
oklch(44.9% 0.09 161.7)
- #763F63
#763F63
oklch(44.8% 0.09 341.6)
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 #166445, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.024
- Pine #2B5D34 ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.031
- Dark Aqua #05696B ΔE 0.058
- Army Green #4B5D16 ΔE 0.062
- Camouflage Green #4B6113 ΔE 0.064
- Dark Blue Green #005249 ΔE 0.065
- Camo Green #526525 ΔE 0.065
Use #166445 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.