#166D49
Closest named color: Dark Green Blue (#1F6357). oklch(47.6% 0.099 160.3), rgb(22, 109, 73).
Aa
White text reads best on this color (6.32:1).
About this color
#166D49 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.099 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.045 away. White text reads best on it, at 6.32:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.31:1 |
| White text | 6.32:1 |
Values
| HEX | #166D49 |
| RGB | rgb(22, 109, 73) |
| HSL | hsl(155, 66%, 26%) |
| OKLCH | oklch(47.6% 0.099 160.3) |
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 #166D49 | 6.32:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #166D49 | 3.31:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #166D49 text on white | 6.32:1 | AA | Lc 81.1 | Fine for body text |
| #166D49 text on black | 3.31:1 | AA large text | Lc -20.8 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD3
oklch(88.5% 0.027 159.5)
-
Step 300
300
#A7CBB6
oklch(81% 0.048 159.5)
-
Step 400
400
#75B090
oklch(70.7% 0.078 159.9)
-
Step 500
500
#4E9C75
oklch(63.2% 0.098 159.9)
-
Step 600
600
#2C865E
oklch(55.6% 0.106 160.4)
-
Step 700
700 (this color)
#166D49
oklch(47.6% 0.099 160.3)
-
Step 800
800
#1B5C3F
oklch(42.5% 0.082 160.2)
-
Step 900
900
#1E4C36
oklch(37.7% 0.064 160.2)
-
Step 950
950
#132D20
oklch(27.2% 0.041 160.2)
#166D49 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) | #6C6447 | 0.094 |
| Deuteranopia (no green cones) | #615D4B | 0.090 |
| Tritanopia (no blue cones) | #006D63 | 0.040 |
| Achromatopsia (no color) | #606060 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166D49
#166D49
oklch(47.6% 0.099 160.3)
- #81446D
#81446D
oklch(47.6% 0.099 340.9)
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 #166D49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.045
- Spruce #0A5F38 ΔE 0.047
- Pine #2B5D34 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.059
- Dark Aqua #05696B ΔE 0.059
- Dark Olive Green #556B2F ΔE 0.059
- Camo Green #526525 ΔE 0.060
- Deep Turquoise #017374 ΔE 0.064
Use #166D49 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.