#183B1A
Closest named color: Pakistan Green (#283618). oklch(31.7% 0.07 144.8), rgb(24, 59, 26).
Aa
White text reads best on this color (12.50:1).
About this color
#183B1A is a dark, muted green. In OKLCH its lightness is 32%, its chroma 0.070 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.024 away. White text reads best on it, at 12.50:1.
| Hue family | Greens |
| Lightness | dark (32%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.67:1 |
| White text | 12.50:1 |
Values
| HEX | #183B1A |
| RGB | rgb(24, 59, 26) |
| HSL | hsl(123, 42%, 16%) |
| OKLCH | oklch(31.7% 0.07 144.8) |
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 #183B1A | 12.50:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #183B1A | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #183B1A text on white | 12.50:1 | AAA | Lc 98.2 | Preferred for body text |
| #183B1A text on black | 1.67:1 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C7E2C7
oklch(88.6% 0.046 145.2)
-
Step 300
300
#A0CFA0
oklch(80.9% 0.082 144.8)
-
Step 400
400
#68B66B
oklch(70.7% 0.132 144.8)
-
Step 500
500
#35A340
oklch(63.2% 0.17 144.8)
-
Step 600
600
#008C22
oklch(55.6% 0.176 144.8)
-
Step 700
700
#00761B
oklch(49.2% 0.156 144.8)
-
Step 800
800
#006115
oklch(42.8% 0.135 144.8)
-
Step 900
900
#0C5016
oklch(37.8% 0.111 144.9)
-
Step 950
950 (this color)
#183B1A
oklch(31.7% 0.07 144.8)
#183B1A 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) | #3C3617 | 0.053 |
| Deuteranopia (no green cones) | #37321C | 0.053 |
| Tritanopia (no blue cones) | #123933 | 0.043 |
| Achromatopsia (no color) | #343434 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183B1A
#183B1A
oklch(31.7% 0.07 144.8)
- #432445
#432445
oklch(31.5% 0.07 324.9)
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 #183B1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.024
- Hunter Green #0B4008 ΔE 0.032
- Evergreen #05472A ΔE 0.040
- Forrest Green #154406 ΔE 0.041
- Pine Green #0A481E ΔE 0.043
- Dark Olive #373E02 ΔE 0.047
- British Racing Green #05480D ΔE 0.051
- Racing Green #014600 ΔE 0.053
Use #183B1A 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.