#185831
Closest named color: Spruce (#0A5F38). oklch(40.9% 0.091 152.6), rgb(24, 88, 49).
Aa
White text reads best on this color (8.47:1).
About this color
#185831 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.091 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.022 away. White text reads best on it, at 8.47:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #185831 |
| RGB | rgb(24, 88, 49) |
| HSL | hsl(143, 57%, 22%) |
| OKLCH | oklch(40.9% 0.091 152.6) |
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 #185831 | 8.47:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #185831 | 2.47:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #185831 text on white | 8.47:1 | AAA | Lc 88.9 | Fine for body text |
| #185831 text on black | 2.47:1 | Fails | Lc -13.3 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CBDFD0
oklch(88.5% 0.029 153.3)
-
Step 300
300
#A7CBB0
oklch(80.8% 0.054 152.7)
-
Step 400
400
#77B087
oklch(70.6% 0.085 152.6)
-
Step 500
500
#509C69
oklch(63% 0.108 152.8)
-
Step 600
600
#308750
oklch(55.7% 0.119 152.4)
-
Step 700
700
#217241
oklch(49.1% 0.11 152.7)
-
Step 800
800 (this color)
#185831
oklch(40.9% 0.091 152.6)
-
Step 900
900
#1F4C2F
oklch(37.6% 0.071 153.1)
-
Step 950
950
#132D1C
oklch(27.1% 0.045 153.5)
#185831 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) | #58502E | 0.079 |
| Deuteranopia (no green cones) | #504B34 | 0.077 |
| Tritanopia (no blue cones) | #00574E | 0.046 |
| Achromatopsia (no color) | #4D4D4D | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #185831
#185831
oklch(40.9% 0.091 152.6)
- #673660
#673660
oklch(41.1% 0.091 332.6)
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 #185831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.022
- Pine #2B5D34 ΔE 0.024
- Navy Green #35530A ΔE 0.039
- Deep Green #02590F ΔE 0.042
- Forest #0B5509 ΔE 0.043
- Dark Blue Green #005249 ΔE 0.049
- Pine Green #0A481E ΔE 0.056
- Evergreen #05472A ΔE 0.059
Use #185831 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.