#3F731C
Closest named color: Tree Green (#2A7E19). oklch(50.1% 0.13 135.5), rgb(63, 115, 28).
Aa
White text reads best on this color (5.70:1).
About this color
#3F731C is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.130 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.036 away. White text reads best on it, at 5.70:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #3F731C |
| RGB | rgb(63, 115, 28) |
| HSL | hsl(96, 61%, 28%) |
| OKLCH | oklch(50.1% 0.13 135.5) |
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 #3F731C | 5.70:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #3F731C | 3.68:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #3F731C text on white | 5.70:1 | AA | Lc 78.3 | Fine for body text |
| #3F731C text on black | 3.68:1 | AA large text | Lc -23.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE1
oklch(93.7% 0.018 134.9)
-
Step 200
200
#CFDFC8
oklch(88.5% 0.035 136)
-
Step 300
300
#AFCAA2
oklch(80.8% 0.062 135.5)
-
Step 400
400
#85AF6F
oklch(70.7% 0.1 135.3)
-
Step 500
500
#659A47
oklch(63% 0.128 135.5)
-
Step 600
600
#4B8526
oklch(55.7% 0.141 135.7)
-
Step 700
700 (this color)
#3F731C
oklch(50.1% 0.13 135.5)
-
Step 800
800
#325B17
oklch(42.6% 0.107 135.5)
-
Step 900
900
#2C4B1A
oklch(37.6% 0.084 135.6)
-
Step 950
950
#1A2C10
oklch(26.9% 0.054 135.5)
#3F731C 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) | #77690C | 0.078 |
| Deuteranopia (no green cones) | #706524 | 0.079 |
| Tritanopia (no blue cones) | #3D6E62 | 0.094 |
| Achromatopsia (no color) | #666666 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F731C
#3F731C
oklch(50.1% 0.13 135.5)
- #7F4995
#7F4995
oklch(50.1% 0.129 315.4)
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 #3F731C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.036
- Dark Grass Green #388004 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.044
- Camo Green #526525 ΔE 0.050
- Jungle Green #048243 ΔE 0.051
- Mud Green #606602 ΔE 0.051
- Camouflage Green #4B6113 ΔE 0.054
- Green #008000 ΔE 0.054
Use #3F731C 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.