#3F591A
Closest named color: Army Green (#4B5D16). oklch(42.9% 0.094 129), rgb(63, 89, 26).
Aa
White text reads best on this color (7.90:1).
About this color
#3F591A is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.094 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 0.022 away. White text reads best on it, at 7.90:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #3F591A |
| RGB | rgb(63, 89, 26) |
| HSL | hsl(85, 55%, 23%) |
| OKLCH | oklch(42.9% 0.094 129) |
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 #3F591A | 7.90:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #3F591A | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #3F591A text on white | 7.90:1 | AAA | Lc 87.3 | Fine for body text |
| #3F591A text on black | 2.65:1 | Fails | Lc -14.8 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D3DDC8
oklch(88.4% 0.03 127.9)
-
Step 300
300
#B6C8A3
oklch(80.9% 0.054 128.7)
-
Step 400
400
#90AC70
oklch(70.8% 0.089 128.8)
-
Step 500
500
#749749
oklch(63.2% 0.113 129.1)
-
Step 600
600
#5D8129
oklch(55.7% 0.123 128.9)
-
Step 700
700
#4C6D1B
oklch(49.2% 0.115 129.1)
-
Step 800
800 (this color)
#3F591A
oklch(42.9% 0.094 129)
-
Step 900
900
#35491C
oklch(37.7% 0.073 129.3)
-
Step 950
950
#1F2B11
oklch(27% 0.047 129.5)
#3F591A 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) | #5D5212 | 0.048 |
| Deuteranopia (no green cones) | #5A511F | 0.049 |
| Tritanopia (no blue cones) | #41554C | 0.073 |
| Achromatopsia (no color) | #515151 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F591A
#3F591A
oklch(42.9% 0.094 129)
- #5E3F76
#5E3F76
oklch(42.7% 0.095 308.9)
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 #3F591A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.022
- Navy Green #35530A ΔE 0.026
- Pine #2B5D34 ΔE 0.031
- Camouflage Green #4B6113 ΔE 0.033
- Green Brown #544E03 ΔE 0.041
- Spruce #0A5F38 ΔE 0.046
- Camo Green #526525 ΔE 0.048
- Deep Green #02590F ΔE 0.052
Use #3F591A 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.