#183A09
Closest named color: Hunter Green (#0B4008). oklch(31.1% 0.085 138), rgb(24, 58, 9).
Aa
White text reads best on this color (12.74:1).
About this color
#183A09 is a dark, moderately saturated green. In OKLCH its lightness is 31%, its chroma 0.085 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.022 away. White text reads best on it, at 12.74:1.
| Hue family | Greens |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.64:1 |
| White text | 12.74:1 |
Values
| HEX | #183A09 |
| RGB | rgb(24, 58, 9) |
| HSL | hsl(102, 73%, 13%) |
| OKLCH | oklch(31.1% 0.085 138) |
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 #183A09 | 12.74:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #183A09 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #183A09 text on white | 12.74:1 | AAA | Lc 98.6 | Preferred for body text |
| #183A09 text on black | 1.64:1 | 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
#C8E2BF
oklch(88.4% 0.055 137.6)
-
Step 300
300
#A1D091
oklch(80.8% 0.099 137.9)
-
Step 400
400
#6BB74D
oklch(70.7% 0.16 137.8)
-
Step 500
500
#42A300
oklch(63.2% 0.195 138)
-
Step 600
600
#368900
oklch(55.6% 0.172 138)
-
Step 700
700
#2C7300
oklch(49.1% 0.152 138.1)
-
Step 800
800
#235E00
oklch(42.6% 0.131 138)
-
Step 900
900
#1C4F00
oklch(37.8% 0.117 138)
-
Step 950
950 (this color)
#183A09
oklch(31.1% 0.085 138)
#183A09 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) | #3C3403 | 0.054 |
| Deuteranopia (no green cones) | #38310E | 0.056 |
| Tritanopia (no blue cones) | #153830 | 0.057 |
| Achromatopsia (no color) | #323232 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183A09
#183A09
oklch(31.1% 0.085 138)
- #42204C
#42204C
oklch(31.1% 0.086 318.1)
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 #183A09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.022
- Pakistan Green #283618 ΔE 0.033
- Forrest Green #154406 ΔE 0.035
- Racing Green #014600 ΔE 0.044
- Dark Olive #373E02 ΔE 0.046
- Pine Green #0A481E ΔE 0.046
- British Racing Green #05480D ΔE 0.047
- Very Dark Green #062E03 ΔE 0.048
Use #183A09 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.