#166728
Closest named color: Dark Green (#006400). oklch(45.2% 0.123 146.7), rgb(22, 103, 40).
Aa
White text reads best on this color (6.98:1).
About this color
#166728 is a medium-dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.123 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.032 away. White text reads best on it, at 6.98:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #166728 |
| RGB | rgb(22, 103, 40) |
| HSL | hsl(133, 65%, 25%) |
| OKLCH | oklch(45.2% 0.123 146.7) |
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 #166728 | 6.98:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #166728 | 3.00:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #166728 text on white | 6.98:1 | AA | Lc 83.8 | Fine for body text |
| #166728 text on black | 3.00:1 | AA large text | Lc -18.2 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C9E1CA
oklch(88.6% 0.04 146.4)
-
Step 300
300
#A3CEA6
oklch(81% 0.072 146.7)
-
Step 400
400
#6EB475
oklch(70.7% 0.115 146.5)
-
Step 500
500
#41A051
oklch(63% 0.146 146.9)
-
Step 600
600
#148B33
oklch(55.7% 0.16 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800 (this color)
#166728
oklch(45.2% 0.123 146.7)
-
Step 900
900
#154F20
oklch(37.8% 0.097 146.7)
-
Step 950
950
#0F2E14
oklch(27% 0.06 146.9)
#166728 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) | #685D22 | 0.095 |
| Deuteranopia (no green cones) | #5F572D | 0.094 |
| Tritanopia (no blue cones) | #006459 | 0.074 |
| Achromatopsia (no color) | #595959 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166728
#166728
oklch(45.2% 0.123 146.7)
- #783979
#783979
oklch(45.2% 0.123 326.8)
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 #166728, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.032
- Spruce #0A5F38 ΔE 0.038
- Pine #2B5D34 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.048
- Deep Green #02590F ΔE 0.049
- Army Green #4B5D16 ΔE 0.052
- Camo Green #526525 ΔE 0.058
- Forest #0B5509 ΔE 0.061
Use #166728 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.