#166133
Closest named color: Spruce (#0A5F38). oklch(43.6% 0.104 151.8), rgb(22, 97, 51).
Aa
White text reads best on this color (7.52:1).
About this color
#166133 is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.104 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.012 away. White text reads best on it, at 7.52:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.79:1 |
| White text | 7.52:1 |
Values
| HEX | #166133 |
| RGB | rgb(22, 97, 51) |
| HSL | hsl(143, 63%, 23%) |
| OKLCH | oklch(43.6% 0.104 151.8) |
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 #166133 | 7.52:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #166133 | 2.79:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #166133 text on white | 7.52:1 | AAA | Lc 85.8 | Fine for body text |
| #166133 text on black | 2.79:1 | Fails | Lc -16.3 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CE
oklch(88.5% 0.034 150.8)
-
Step 300
300
#A4CCAD
oklch(80.8% 0.061 151.7)
-
Step 400
400
#71B282
oklch(70.7% 0.097 151.6)
-
Step 500
500
#479E63
oklch(63% 0.123 151.8)
-
Step 600
600
#1F8949
oklch(55.7% 0.135 151.7)
-
Step 700
700
#0D743A
oklch(49.1% 0.126 151.6)
-
Step 800
800 (this color)
#166133
oklch(43.6% 0.104 151.8)
-
Step 900
900
#194D2B
oklch(37.6% 0.08 151.8)
-
Step 950
950
#102D1A
oklch(26.9% 0.05 152.9)
#166133 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) | #615830 | 0.088 |
| Deuteranopia (no green cones) | #585236 | 0.086 |
| Tritanopia (no blue cones) | #005F56 | 0.056 |
| Achromatopsia (no color) | #545454 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166133
#166133
oklch(43.6% 0.104 151.8)
- #71396B
#71396B
oklch(43.5% 0.104 331.3)
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 #166133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.012
- Pine #2B5D34 ΔE 0.019
- Deep Green #02590F ΔE 0.044
- Dark Green #006400 ΔE 0.049
- Navy Green #35530A ΔE 0.050
- Army Green #4B5D16 ΔE 0.052
- Forest #0B5509 ΔE 0.052
- Camouflage Green #4B6113 ΔE 0.054
Use #166133 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.