#166338
Closest named color: Spruce (#0A5F38). oklch(44.3% 0.101 153.8), rgb(22, 99, 56).
Aa
White text reads best on this color (7.30:1).
About this color
#166338 is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.101 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.015 away. White text reads best on it, at 7.30:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #166338 |
| RGB | rgb(22, 99, 56) |
| HSL | hsl(146, 64%, 24%) |
| OKLCH | oklch(44.3% 0.101 153.8) |
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 #166338 | 7.30:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #166338 | 2.87:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #166338 text on white | 7.30:1 | AAA | Lc 85.0 | Fine for body text |
| #166338 text on black | 2.87:1 | Fails | Lc -17.0 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#C9E0CF
oklch(88.5% 0.034 153.6)
-
Step 300
300
#A4CCAF
oklch(80.8% 0.059 153.5)
-
Step 400
400
#70B285
oklch(70.7% 0.095 153.6)
-
Step 500
500
#449E67
oklch(63% 0.12 154.1)
-
Step 600
600
#1B894E
oklch(55.7% 0.131 153.8)
-
Step 700
700
#06743E
oklch(49.1% 0.123 153.6)
-
Step 800
800 (this color)
#166338
oklch(44.3% 0.101 153.8)
-
Step 900
900
#184D2D
oklch(37.6% 0.078 153.5)
-
Step 950
950
#102D1B
oklch(26.9% 0.049 154.2)
#166338 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) | #635A35 | 0.089 |
| Deuteranopia (no green cones) | #5A543B | 0.087 |
| Tritanopia (no blue cones) | #006258 | 0.050 |
| Achromatopsia (no color) | #565656 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166338
#166338
oklch(44.3% 0.101 153.8)
- #743C6A
#743C6A
oklch(44.3% 0.1 334.2)
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 #166338, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.015
- Pine #2B5D34 ΔE 0.021
- Dark Green Blue #1F6357 ΔE 0.049
- Deep Green #02590F ΔE 0.052
- Army Green #4B5D16 ΔE 0.053
- Dark Green #006400 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.054
- Navy Green #35530A ΔE 0.057
Use #166338 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.