#183B1D
Closest named color: Pakistan Green (#283618). oklch(31.7% 0.066 146.8), rgb(24, 59, 29).
Aa
White text reads best on this color (12.48:1).
About this color
#183B1D is a dark, muted green. In OKLCH its lightness is 32%, its chroma 0.066 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.023 away. White text reads best on it, at 12.48:1.
| Hue family | Greens |
| Lightness | dark (32%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.68:1 |
| White text | 12.48:1 |
Values
| HEX | #183B1D |
| RGB | rgb(24, 59, 29) |
| HSL | hsl(129, 42%, 16%) |
| OKLCH | oklch(31.7% 0.066 146.8) |
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 #183B1D | 12.48:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #183B1D | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #183B1D text on white | 12.48:1 | AAA | Lc 98.2 | Preferred for body text |
| #183B1D text on black | 1.68:1 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C7E1C9
oklch(88.4% 0.043 147.4)
-
Step 300
300
#A0CFA3
oklch(80.9% 0.079 146.5)
-
Step 400
400
#68B671
oklch(70.8% 0.126 146.7)
-
Step 500
500
#35A24A
oklch(63% 0.16 146.8)
-
Step 600
600
#008B30
oklch(55.5% 0.165 146.9)
-
Step 700
700
#007527
oklch(49% 0.146 146.9)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#0C501C
oklch(37.8% 0.105 146.7)
-
Step 950
950 (this color)
#183B1D
oklch(31.7% 0.066 146.8)
#183B1D 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) | #3C361B | 0.053 |
| Deuteranopia (no green cones) | #37331F | 0.051 |
| Tritanopia (no blue cones) | #123A34 | 0.039 |
| Achromatopsia (no color) | #343434 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183B1D
#183B1D
oklch(31.7% 0.066 146.8)
- #442544
#442544
oklch(31.8% 0.067 327)
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 #183B1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.023
- Hunter Green #0B4008 ΔE 0.035
- Evergreen #05472A ΔE 0.039
- Forrest Green #154406 ΔE 0.044
- Pine Green #0A481E ΔE 0.045
- Dark Olive #373E02 ΔE 0.048
- British Racing Green #05480D ΔE 0.054
- Racing Green #014600 ΔE 0.056
Use #183B1D 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.