#183E1F
Closest named color: Pakistan Green (#283618). oklch(32.7% 0.069 147.7), rgb(24, 62, 31).
Aa
White text reads best on this color (12.01:1).
About this color
#183E1F is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.069 and its hue 148°. 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 12.01:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.74:1 |
| White text | 12.01:1 |
Values
| HEX | #183E1F |
| RGB | rgb(24, 62, 31) |
| HSL | hsl(131, 44%, 17%) |
| OKLCH | oklch(32.7% 0.069 147.7) |
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 #183E1F | 12.01:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #183E1F | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #183E1F text on white | 12.01:1 | AAA | Lc 97.3 | Preferred for body text |
| #183E1F 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#ABCAAE
oklch(80.8% 0.051 147.8)
-
Step 400
400
#7DAF83
oklch(70.7% 0.083 147.7)
-
Step 500
500
#5A9B64
oklch(63.1% 0.106 147.8)
-
Step 600
600
#3D854A
oklch(55.5% 0.116 147.7)
-
Step 700
700
#2F713B
oklch(49.2% 0.108 147.4)
-
Step 800
800
#285C31
oklch(42.7% 0.09 147.5)
-
Step 900
900 (this color)
#183E1F
oklch(32.7% 0.069 147.7)
-
Step 950
950
#172C1A
oklch(26.9% 0.043 147.7)
#183E1F 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) | #3F391D | 0.056 |
| Deuteranopia (no green cones) | #3A3521 | 0.055 |
| Tritanopia (no blue cones) | #103D36 | 0.039 |
| Achromatopsia (no color) | #363636 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183E1F
#183E1F
oklch(32.7% 0.069 147.7)
- #472747
#472747
oklch(32.7% 0.069 327)
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 #183E1F, 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 0.030
- Hunter Green #0B4008 ΔE 0.032
- Pine Green #0A481E ΔE 0.035
- Forrest Green #154406 ΔE 0.038
- Dark Olive #373E02 ΔE 0.044
- British Racing Green #05480D ΔE 0.046
- Racing Green #014600 ΔE 0.050
Use #183E1F 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.