#186531
Closest named color: Spruce (#0A5F38). oklch(44.8% 0.111 149.8), rgb(24, 101, 49).
Aa
White text reads best on this color (7.13:1).
About this color
#186531 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.111 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.025 away. White text reads best on it, at 7.13:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #186531 |
| RGB | rgb(24, 101, 49) |
| HSL | hsl(139, 62%, 25%) |
| OKLCH | oklch(44.8% 0.111 149.8) |
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 #186531 | 7.13:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #186531 | 2.94:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #186531 text on white | 7.13:1 | AAA | Lc 84.4 | Fine for body text |
| #186531 text on black | 2.94:1 | Fails | Lc -17.6 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE3
oklch(93.7% 0.019 147.8)
-
Step 200
200
#C9E0CD
oklch(88.4% 0.036 150.5)
-
Step 300
300
#A4CDAB
oklch(80.9% 0.064 149.8)
-
Step 400
400
#70B37E
oklch(70.8% 0.103 149.8)
-
Step 500
500
#449F5C
oklch(63% 0.132 149.7)
-
Step 600
600
#1B8A42
oklch(55.7% 0.144 149.7)
-
Step 700
700
#067534
oklch(49.2% 0.134 149.9)
-
Step 800
800 (this color)
#186531
oklch(44.8% 0.111 149.8)
-
Step 900
900
#174E27
oklch(37.7% 0.087 149.7)
-
Step 950
950
#102E17
oklch(27.1% 0.055 149.1)
#186531 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) | #665C2D | 0.091 |
| Deuteranopia (no green cones) | #5D5535 | 0.091 |
| Tritanopia (no blue cones) | #006359 | 0.062 |
| Achromatopsia (no color) | #585858 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186531
#186531
oklch(44.8% 0.111 149.8)
- #763B72
#763B72
oklch(44.8% 0.111 329.8)
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 #186531, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.025
- Pine #2B5D34 ΔE 0.029
- Dark Green #006400 ΔE 0.043
- Camouflage Green #4B6113 ΔE 0.049
- Deep Green #02590F ΔE 0.050
- Army Green #4B5D16 ΔE 0.050
- Camo Green #526525 ΔE 0.057
- Navy Green #35530A ΔE 0.058
Use #186531 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.