#166B17
Closest named color: Dark Green (#006400). oklch(46.2% 0.141 143), rgb(22, 107, 23).
Aa
White text reads best on this color (6.66:1).
About this color
#166B17 is a medium-dark, vivid green. In OKLCH its lightness is 46%, its chroma 0.141 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.027 away. White text reads best on it, at 6.66:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.14:1 |
| White text | 6.66:1 |
Values
| HEX | #166B17 |
| RGB | rgb(22, 107, 23) |
| HSL | hsl(121, 66%, 25%) |
| OKLCH | oklch(46.2% 0.141 143) |
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 #166B17 | 6.66:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #166B17 | 3.14:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #166B17 text on white | 6.66:1 | AA | Lc 82.4 | Fine for body text |
| #166B17 text on black | 3.14:1 | AA large text | Lc -19.5 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A7CDA4
oklch(81% 0.07 143)
-
Step 400
400
#77B273
oklch(70.7% 0.109 142.9)
-
Step 500
500
#509E4D
oklch(63% 0.14 143)
-
Step 600
600
#30892F
oklch(55.7% 0.152 143)
-
Step 700
700 (this color)
#166B17
oklch(46.2% 0.141 143)
-
Step 800
800
#1F5E1E
oklch(42.6% 0.116 143)
-
Step 900
900
#204D1E
oklch(37.6% 0.09 142.8)
-
Step 950
950
#142D12
oklch(26.9% 0.057 142.3)
#166B17 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) | #6D6006 | 0.100 |
| Deuteranopia (no green cones) | #645A20 | 0.100 |
| Tritanopia (no blue cones) | #00685B | 0.090 |
| Achromatopsia (no color) | #5C5C5C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166B17
#166B17
oklch(46.2% 0.141 143)
- #7C3785
#7C3785
oklch(46.1% 0.141 322.9)
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 #166B17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.027
- Camouflage Green #4B6113 ΔE 0.054
- Deep Green #02590F ΔE 0.060
- Spruce #0A5F38 ΔE 0.060
- Army Green #4B5D16 ΔE 0.062
- Tree Green #2A7E19 ΔE 0.063
- Pine #2B5D34 ΔE 0.063
- Camo Green #526525 ΔE 0.064
Use #166B17 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.