#185A40
Closest named color: Spruce (#0A5F38). oklch(41.9% 0.079 162.8), rgb(24, 90, 64).
Aa
White text reads best on this color (8.15:1).
About this color
#185A40 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.024 away. White text reads best on it, at 8.15:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #185A40 |
| RGB | rgb(24, 90, 64) |
| HSL | hsl(156, 58%, 22%) |
| OKLCH | oklch(41.9% 0.079 162.8) |
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 #185A40 | 8.15:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #185A40 | 2.57:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #185A40 text on white | 8.15:1 | AAA | Lc 87.9 | Fine for body text |
| #185A40 text on black | 2.57:1 | Fails | Lc -14.2 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A7CAB8
oklch(80.8% 0.045 162.9)
-
Step 400
400
#75AF93
oklch(70.6% 0.073 162.8)
-
Step 500
500
#4D9B79
oklch(63% 0.094 163.2)
-
Step 600
600
#2B8661
oklch(55.6% 0.103 162.4)
-
Step 700
700
#1C7151
oklch(49% 0.095 163.2)
-
Step 800
800 (this color)
#185A40
oklch(41.9% 0.079 162.8)
-
Step 900
900
#1E4C38
oklch(37.8% 0.062 162.5)
-
Step 950
950
#132C21
oklch(26.9% 0.038 163.5)
#185A40 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) | #58533F | 0.076 |
| Deuteranopia (no green cones) | #504D42 | 0.074 |
| Tritanopia (no blue cones) | #005A53 | 0.031 |
| Achromatopsia (no color) | #4F4F4F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #185A40
#185A40
oklch(41.9% 0.079 162.8)
- #6A3A58
#6A3A58
oklch(41.8% 0.079 342.9)
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 #185A40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.024
- Pine #2B5D34 ΔE 0.026
- Dark Blue Green #005249 ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.042
- Deep Teal #00555A ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.054
- Navy Green #35530A ΔE 0.058
- Dark Teal #014D4E ΔE 0.058
Use #185A40 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.