#185B37
Closest named color: Spruce (#0A5F38). oklch(42% 0.09 155.4), rgb(24, 91, 55).
Aa
White text reads best on this color (8.10:1).
About this color
#185B37 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.090 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.013 away. White text reads best on it, at 8.10:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.59:1 |
| White text | 8.10:1 |
Values
| HEX | #185B37 |
| RGB | rgb(24, 91, 55) |
| HSL | hsl(148, 58%, 23%) |
| OKLCH | oklch(42% 0.09 155.4) |
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 #185B37 | 8.10:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #185B37 | 2.59:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #185B37 text on white | 8.10:1 | AAA | Lc 87.8 | Fine for body text |
| #185B37 text on black | 2.59:1 | Fails | Lc -14.4 | Not readable |
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
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A7CBB2
oklch(80.9% 0.052 154.8)
-
Step 400
400
#75B08A
oklch(70.6% 0.083 155.4)
-
Step 500
500
#4D9D6D
oklch(63.2% 0.108 155.3)
-
Step 600
600
#2B8755
oklch(55.6% 0.116 155.5)
-
Step 700
700
#1C7245
oklch(49% 0.108 155.4)
-
Step 800
800 (this color)
#185B37
oklch(42% 0.09 155.4)
-
Step 900
900
#1D4C31
oklch(37.6% 0.07 155.6)
-
Step 950
950
#132D1D
oklch(27.1% 0.044 155)
#185B37 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) | #5B5335 | 0.081 |
| Deuteranopia (no green cones) | #524D39 | 0.078 |
| Tritanopia (no blue cones) | #005A52 | 0.044 |
| Achromatopsia (no color) | #505050 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #185B37
#185B37
oklch(42% 0.09 155.4)
- #6A3860
#6A3860
oklch(41.8% 0.09 335)
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 #185B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.013
- Pine #2B5D34 ΔE 0.017
- Navy Green #35530A ΔE 0.046
- Deep Green #02590F ΔE 0.048
- Dark Blue Green #005249 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.051
- Forest #0B5509 ΔE 0.051
- Army Green #4B5D16 ΔE 0.060
Use #185B37 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.