#183F05
Closest named color: Hunter Green (#0B4008). oklch(32.7% 0.095 137.9), rgb(24, 63, 5).
Aa
White text reads best on this color (11.98:1).
About this color
#183F05 is a dark, moderately saturated green. In OKLCH its lightness is 33%, its chroma 0.095 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 0.009 away. White text reads best on it, at 11.98:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.75:1 |
| White text | 11.98:1 |
Values
| HEX | #183F05 |
| RGB | rgb(24, 63, 5) |
| HSL | hsl(100, 85%, 13%) |
| OKLCH | oklch(32.7% 0.095 137.9) |
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 #183F05 | 11.98:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #183F05 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #183F05 text on white | 11.98:1 | AAA | Lc 97.2 | Preferred for body text |
| #183F05 text on black | 1.75:1 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#ABCC9F
oklch(80.9% 0.071 137.4)
-
Step 400
400
#7DB16A
oklch(70.6% 0.113 137.7)
-
Step 500
500
#5A9D40
oklch(63% 0.145 137.9)
-
Step 600
600
#3E871A
oklch(55.5% 0.157 137.8)
-
Step 700
700
#2F7308
oklch(49.2% 0.148 137.9)
-
Step 800
800
#285D0E
oklch(42.6% 0.121 137.9)
-
Step 900
900 (this color)
#183F05
oklch(32.7% 0.095 137.9)
-
Step 950
950
#172D0E
oklch(27% 0.06 137.5)
#183F05 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) | #413900 | 0.060 |
| Deuteranopia (no green cones) | #3C350B | 0.061 |
| Tritanopia (no blue cones) | #153C34 | 0.066 |
| Achromatopsia (no color) | #373737 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183F05
#183F05
oklch(32.7% 0.095 137.9)
- #482253
#482253
oklch(32.7% 0.094 318.2)
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 #183F05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.009
- Forrest Green #154406 ΔE 0.017
- Racing Green #014600 ΔE 0.027
- British Racing Green #05480D ΔE 0.029
- Pine Green #0A481E ΔE 0.032
- Darkgreen #054907 ΔE 0.034
- Bottle Green #044A05 ΔE 0.037
- Dark Olive #373E02 ΔE 0.040
Use #183F05 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.