#186437
Closest named color: Spruce (#0A5F38). oklch(44.6% 0.103 152.7), rgb(24, 100, 55).
Aa
White text reads best on this color (7.19:1).
About this color
#186437 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.103 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.019 away. White text reads best on it, at 7.19:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #186437 |
| RGB | rgb(24, 100, 55) |
| HSL | hsl(144, 61%, 24%) |
| OKLCH | oklch(44.6% 0.103 152.7) |
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 #186437 | 7.19:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #186437 | 2.91:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #186437 text on white | 7.19:1 | AAA | Lc 84.6 | Fine for body text |
| #186437 text on black | 2.91:1 | Fails | Lc -17.4 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#C9E0CF
oklch(88.5% 0.034 153.6)
-
Step 300
300
#A4CCAE
oklch(80.8% 0.06 152.5)
-
Step 400
400
#70B284
oklch(70.7% 0.096 153)
-
Step 500
500
#459F64
oklch(63.2% 0.124 152.5)
-
Step 600
600
#1C894B
oklch(55.6% 0.134 152.7)
-
Step 700
700
#08743C
oklch(49.1% 0.125 152.7)
-
Step 800
800 (this color)
#186437
oklch(44.6% 0.103 152.7)
-
Step 900
900
#184E2C
oklch(37.9% 0.081 152.5)
-
Step 950
950
#102D1A
oklch(26.9% 0.05 152.9)
#186437 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) | #645B34 | 0.089 |
| Deuteranopia (no green cones) | #5B553A | 0.087 |
| Tritanopia (no blue cones) | #006359 | 0.053 |
| Achromatopsia (no color) | #575757 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186437
#186437
oklch(44.6% 0.103 152.7)
- #753C6D
#753C6D
oklch(44.6% 0.104 332.6)
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 #186437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.019
- Pine #2B5D34 ΔE 0.023
- Dark Green #006400 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.051
- Army Green #4B5D16 ΔE 0.052
- Camouflage Green #4B6113 ΔE 0.052
- Deep Green #02590F ΔE 0.053
- Navy Green #35530A ΔE 0.058
Use #186437 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.