#183D2B
Closest named color: Pakistan Green (#283618). oklch(32.7% 0.054 160.1), rgb(24, 61, 43).
Aa
White text reads best on this color (12.06:1).
About this color
#183D2B is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.054 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 0.032 away. White text reads best on it, at 12.06:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.74:1 |
| White text | 12.06:1 |
Values
| HEX | #183D2B |
| RGB | rgb(24, 61, 43) |
| HSL | hsl(151, 44%, 17%) |
| OKLCH | oklch(32.7% 0.054 160.1) |
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 #183D2B | 12.06:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #183D2B | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #183D2B text on white | 12.06:1 | AAA | Lc 97.4 | Preferred for body text |
| #183D2B text on black | 1.74:1 | 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 900.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ABC9B8
oklch(80.9% 0.04 160.6)
-
Step 400
400
#7DAD93
oklch(70.6% 0.064 160.5)
-
Step 500
500
#5A9978
oklch(63.1% 0.083 159.9)
-
Step 600
600
#3D8361
oklch(55.5% 0.089 160.3)
-
Step 700
700
#2F6F50
oklch(49.1% 0.083 159.9)
-
Step 800
800
#285B42
oklch(42.8% 0.07 160)
-
Step 900
900 (this color)
#183D2B
oklch(32.7% 0.054 160.1)
-
Step 950
950
#172C21
oklch(27.1% 0.034 160.1)
#183D2B 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) | #3C382A | 0.051 |
| Deuteranopia (no green cones) | #37352C | 0.049 |
| Tritanopia (no blue cones) | #0C3D38 | 0.023 |
| Achromatopsia (no color) | #363636 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183D2B
#183D2B
oklch(32.7% 0.054 160.1)
- #47293D
#47293D
oklch(32.6% 0.054 340.4)
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 #183D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.032
- Evergreen #05472A ΔE 0.036
- Pine Green #0A481E ΔE 0.049
- Hunter Green #0B4008 ΔE 0.052
- Dark Olive #373E02 ΔE 0.057
- Forrest Green #154406 ΔE 0.057
- Onyx #343A40 ΔE 0.058
- Midnight Green #073B4C ΔE 0.061
Use #183D2B 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.