#166741
Closest named color: Spruce (#0A5F38). oklch(45.7% 0.098 157.6), rgb(22, 103, 65).
Aa
White text reads best on this color (6.88:1).
About this color
#166741 is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.098 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.028 away. White text reads best on it, at 6.88:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.05:1 |
| White text | 6.88:1 |
Values
| HEX | #166741 |
| RGB | rgb(22, 103, 65) |
| HSL | hsl(152, 65%, 25%) |
| OKLCH | oklch(45.7% 0.098 157.6) |
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 #166741 | 6.88:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #166741 | 3.05:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #166741 text on white | 6.88:1 | AA | Lc 83.4 | Fine for body text |
| #166741 text on black | 3.05:1 | AA large text | Lc -18.5 | 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 800.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C9E0D1
oklch(88.5% 0.032 157.1)
-
Step 300
300
#A3CCB2
oklch(80.8% 0.057 157.1)
-
Step 400
400
#6DB28A
oklch(70.6% 0.092 157.6)
-
Step 500
500
#409E6D
oklch(63% 0.116 157.6)
-
Step 600
600
#0F8955
oklch(55.6% 0.127 157.6)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800 (this color)
#166741
oklch(45.7% 0.098 157.6)
-
Step 900
900
#144D31
oklch(37.5% 0.076 157.7)
-
Step 950
950
#0E2D1D
oklch(26.8% 0.048 158.2)
#166741 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) | #665E3F | 0.090 |
| Deuteranopia (no green cones) | #5C5743 | 0.088 |
| Tritanopia (no blue cones) | #00665D | 0.045 |
| Achromatopsia (no color) | #5A5A5A | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166741
#166741
oklch(45.7% 0.098 157.6)
- #79406A
#79406A
oklch(45.7% 0.097 337.8)
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 #166741, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.028
- Pine #2B5D34 ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.058
- Army Green #4B5D16 ΔE 0.059
- Camo Green #526525 ΔE 0.059
- Dark Green #006400 ΔE 0.063
- Dark Olive Green #556B2F ΔE 0.065
Use #166741 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.