#166500
Closest named color: Dark Green (#006400). oklch(44.3% 0.145 140.7), rgb(22, 101, 0).
Aa
White text reads best on this color (7.25:1).
About this color
#166500 is a dark, vivid green. In OKLCH its lightness is 44%, its chroma 0.145 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.009 away. White text reads best on it, at 7.25:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #166500 |
| RGB | rgb(22, 101, 0) |
| HSL | hsl(107, 100%, 20%) |
| OKLCH | oklch(44.3% 0.145 140.7) |
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 #166500 | 7.25:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #166500 | 2.89:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #166500 text on white | 7.25:1 | AAA | Lc 84.7 | Fine for body text |
| #166500 text on black | 2.89:1 | Fails | Lc -17.3 | 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
#F1F7F0
oklch(97% 0.011 141.3)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C9E1C4
oklch(88.4% 0.047 140.3)
-
Step 300
300
#A3CF9B
oklch(81% 0.085 140.7)
-
Step 400
400
#6FB563
oklch(70.7% 0.135 140.8)
-
Step 500
500
#44A132
oklch(63% 0.172 140.7)
-
Step 600
600
#228B00
oklch(55.6% 0.182 140.6)
-
Step 700
700
#1B7500
oklch(49.1% 0.16 140.7)
-
Step 800
800 (this color)
#166500
oklch(44.3% 0.145 140.7)
-
Step 900
900
#174F0B
oklch(37.7% 0.113 140.7)
-
Step 950
950
#102E0A
oklch(26.9% 0.07 140.5)
#166500 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) | #685A00 | 0.100 |
| Deuteranopia (no green cones) | #5F5511 | 0.097 |
| Tritanopia (no blue cones) | #006155 | 0.098 |
| Achromatopsia (no color) | #575757 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166500
#166500
oklch(44.3% 0.145 140.7)
- #753183
#753183
oklch(44.2% 0.145 320.5)
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 #166500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.009
- Deep Green #02590F ΔE 0.043
- Forest #0B5509 ΔE 0.054
- Camouflage Green #4B6113 ΔE 0.055
- Spruce #0A5F38 ΔE 0.058
- Army Green #4B5D16 ΔE 0.060
- Pine #2B5D34 ΔE 0.061
- Navy Green #35530A ΔE 0.061
Use #166500 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.