#3F581F
Closest named color: Army Green (#4B5D16). oklch(42.6% 0.088 129.5), rgb(63, 88, 31).
Aa
White text reads best on this color (7.99:1).
About this color
#3F581F is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.088 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.026 away. White text reads best on it, at 7.99:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.62:1 |
| White text | 7.99:1 |
Values
| HEX | #3F581F |
| RGB | rgb(63, 88, 31) |
| HSL | hsl(86, 48%, 23%) |
| OKLCH | oklch(42.6% 0.088 129.5) |
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 #3F581F | 7.99:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #3F581F | 2.62:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #3F581F text on white | 7.99:1 | AAA | Lc 87.6 | Fine for body text |
| #3F581F text on black | 2.62:1 | Fails | Lc -14.5 | 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 800.
-
Step 50
50
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D3DDCA
oklch(88.5% 0.028 129.8)
-
Step 300
300
#B6C8A5
oklch(81% 0.052 129.7)
-
Step 400
400
#90AB74
oklch(70.7% 0.082 129.5)
-
Step 500
500
#75964F
oklch(63.1% 0.105 129.4)
-
Step 600
600
#5D8031
oklch(55.6% 0.115 129.6)
-
Step 700
700
#4D6C23
oklch(49.1% 0.107 129.3)
-
Step 800
800 (this color)
#3F581F
oklch(42.6% 0.088 129.5)
-
Step 900
900
#36491F
oklch(37.8% 0.069 129.3)
-
Step 950
950
#202B13
oklch(27.2% 0.044 129.1)
#3F581F 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) | #5C5219 | 0.046 |
| Deuteranopia (no green cones) | #595023 | 0.047 |
| Tritanopia (no blue cones) | #41544C | 0.069 |
| Achromatopsia (no color) | #515151 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F581F
#3F581F
oklch(42.6% 0.088 129.5)
- #5D4073
#5D4073
oklch(42.6% 0.088 309.3)
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 #3F581F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.026
- Navy Green #35530A ΔE 0.027
- Pine #2B5D34 ΔE 0.029
- Camouflage Green #4B6113 ΔE 0.037
- Green Brown #544E03 ΔE 0.039
- Spruce #0A5F38 ΔE 0.045
- Camo Green #526525 ΔE 0.051
- Deep Green #02590F ΔE 0.054
Use #3F581F 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.