#183B0B
Closest named color: Hunter Green (#0B4008). oklch(31.5% 0.085 138.6), rgb(24, 59, 11).
Aa
White text reads best on this color (12.58:1).
About this color
#183B0B is a dark, moderately saturated green. In OKLCH its lightness is 31%, its chroma 0.085 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.020 away. White text reads best on it, at 12.58:1.
| Hue family | Greens |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.66:1 |
| White text | 12.58:1 |
Values
| HEX | #183B0B |
| RGB | rgb(24, 59, 11) |
| HSL | hsl(104, 69%, 14%) |
| OKLCH | oklch(31.5% 0.085 138.6) |
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 #183B0B | 12.58:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #183B0B | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #183B0B text on white | 12.58:1 | AAA | Lc 98.3 | Preferred for body text |
| #183B0B text on black | 1.66:1 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDC
oklch(93.6% 0.029 137.4)
-
Step 200
200
#C7E3BF
oklch(88.6% 0.057 138.7)
-
Step 300
300
#A0D191
oklch(81% 0.101 138.5)
-
Step 400
400
#69B74F
oklch(70.6% 0.16 138.5)
-
Step 500
500
#3DA300
oklch(63% 0.197 138.7)
-
Step 600
600
#328900
oklch(55.5% 0.174 138.7)
-
Step 700
700
#297400
oklch(49.2% 0.154 138.7)
-
Step 800
800
#205F00
oklch(42.8% 0.134 138.7)
-
Step 900
900
#1A4F00
oklch(37.7% 0.118 138.5)
-
Step 950
950 (this color)
#183B0B
oklch(31.5% 0.085 138.6)
#183B0B 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) | #3D3505 | 0.055 |
| Deuteranopia (no green cones) | #393210 | 0.057 |
| Tritanopia (no blue cones) | #153931 | 0.057 |
| Achromatopsia (no color) | #333333 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183B0B
#183B0B
oklch(31.5% 0.085 138.6)
- #43214C
#43214C
oklch(31.4% 0.084 318.9)
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 #183B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.020
- Forrest Green #154406 ΔE 0.032
- Pakistan Green #283618 ΔE 0.034
- Racing Green #014600 ΔE 0.042
- Pine Green #0A481E ΔE 0.043
- British Racing Green #05480D ΔE 0.044
- Dark Olive #373E02 ΔE 0.044
- Evergreen #05472A ΔE 0.046
Use #183B0B 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.