#166649
Closest named color: Dark Green Blue (#1F6357). oklch(45.6% 0.089 163.7), rgb(22, 102, 73).
Aa
White text reads best on this color (6.92:1).
About this color
#166649 is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.089 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.028 away. White text reads best on it, at 6.92:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #166649 |
| RGB | rgb(22, 102, 73) |
| HSL | hsl(158, 65%, 24%) |
| OKLCH | oklch(45.6% 0.089 163.7) |
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 #166649 | 6.92:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #166649 | 3.03:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #166649 text on white | 6.92:1 | AA | Lc 83.6 | Fine for body text |
| #166649 text on black | 3.03:1 | AA large text | Lc -18.3 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A3CCB7
oklch(81% 0.053 162.7)
-
Step 400
400
#6EB192
oklch(70.7% 0.083 163.3)
-
Step 500
500
#409D78
oklch(63% 0.105 164.1)
-
Step 600
600
#108860
oklch(55.6% 0.116 163.4)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800 (this color)
#166649
oklch(45.6% 0.089 163.7)
-
Step 900
900
#154D37
oklch(37.7% 0.069 163.2)
-
Step 950
950
#0E2D20
oklch(26.9% 0.044 163.2)
#166649 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) | #645E47 | 0.087 |
| Deuteranopia (no green cones) | #5A574B | 0.084 |
| Tritanopia (no blue cones) | #00665E | 0.033 |
| Achromatopsia (no color) | #5A5A5A | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166649
#166649
oklch(45.6% 0.089 163.7)
- #794163
#794163
oklch(45.5% 0.09 344)
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 #166649, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.028
- Spruce #0A5F38 ΔE 0.031
- Pine #2B5D34 ΔE 0.034
- Dark Aqua #05696B ΔE 0.052
- Dark Aquamarine #017371 ΔE 0.064
- Petrol #005F6A ΔE 0.065
- Camo Green #526525 ΔE 0.065
- Army Green #4B5D16 ΔE 0.066
Use #166649 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.