#183B2A
Closest named color: Pakistan Green (#283618). oklch(32.1% 0.051 160.4), rgb(24, 59, 42).
Aa
White text reads best on this color (12.36:1).
About this color
#183B2A is a dark, muted green. In OKLCH its lightness is 32%, its chroma 0.051 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.029 away. White text reads best on it, at 12.36:1.
| Hue family | Greens |
| Lightness | dark (32%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.69:1 |
| White text | 12.36:1 |
Values
| HEX | #183B2A |
| RGB | rgb(24, 59, 42) |
| HSL | hsl(151, 42%, 16%) |
| OKLCH | oklch(32.1% 0.051 160.4) |
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 #183B2A | 12.36:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #183B2A | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #183B2A text on white | 12.36:1 | AAA | Lc 98.0 | Preferred for body text |
| #183B2A text on black | 1.69:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C7E0D2
oklch(88.4% 0.033 161.2)
-
Step 300
300
#9FCDB4
oklch(80.9% 0.06 160.9)
-
Step 400
400
#66B38C
oklch(70.6% 0.097 160.5)
-
Step 500
500
#30A06F
oklch(63.1% 0.125 160.2)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3D
oklch(42.9% 0.096 160.4)
-
Step 900
900
#074E33
oklch(37.6% 0.08 161)
-
Step 950
950 (this color)
#183B2A
oklch(32.1% 0.051 160.4)
#183B2A 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) | #3A3729 | 0.048 |
| Deuteranopia (no green cones) | #35332B | 0.047 |
| Tritanopia (no blue cones) | #0D3B36 | 0.021 |
| Achromatopsia (no color) | #343434 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183B2A
#183B2A
oklch(32.1% 0.051 160.4)
- #45283B
#45283B
oklch(32.1% 0.052 340.9)
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 #183B2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.029
- Evergreen #05472A ΔE 0.042
- Hunter Green #0B4008 ΔE 0.054
- Pine Green #0A481E ΔE 0.054
- Onyx #343A40 ΔE 0.058
- Dark Olive #373E02 ΔE 0.059
- Midnight Green #073B4C ΔE 0.060
- Forrest Green #154406 ΔE 0.061
Use #183B2A 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.