#3F7831
Closest named color: Tree Green (#2A7E19). oklch(51.7% 0.12 139.8), rgb(63, 120, 49).
Aa
White text reads best on this color (5.32:1).
About this color
#3F7831 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.120 and its hue 140°. 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 5.32:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #3F7831 |
| RGB | rgb(63, 120, 49) |
| HSL | hsl(108, 42%, 33%) |
| OKLCH | oklch(51.7% 0.12 139.8) |
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 #3F7831 | 5.32:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #3F7831 | 3.94:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #3F7831 text on white | 5.32:1 | AA | Lc 76.3 | Fine for body text |
| #3F7831 text on black | 3.94:1 | AA large text | Lc -25.4 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CEDFCB
oklch(88.5% 0.033 141)
-
Step 300
300
#AECAA7
oklch(80.9% 0.057 139.4)
-
Step 400
400
#82AF77
oklch(70.7% 0.093 139.6)
-
Step 500
500
#619B53
oklch(63.2% 0.12 139.7)
-
Step 600
600
#468537
oklch(55.6% 0.129 139.9)
-
Step 700
700 (this color)
#3F7831
oklch(51.7% 0.12 139.8)
-
Step 800
800
#2F5C24
oklch(42.8% 0.099 139.8)
-
Step 900
900
#2A4B22
oklch(37.6% 0.077 139.7)
-
Step 950
950
#192C14
oklch(26.9% 0.049 139.3)
#3F7831 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) | #7B6E2A | 0.082 |
| Deuteranopia (no green cones) | #736936 | 0.081 |
| Tritanopia (no blue cones) | #3A7468 | 0.080 |
| Achromatopsia (no color) | #6B6B6B | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7831
#3F7831
oklch(51.7% 0.12 139.8)
- #864F93
#864F93
oklch(51.8% 0.12 319.8)
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 #3F7831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.036
- Jungle Green #048243 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.043
- Dark Olive Green #556B2F ΔE 0.044
- Muddy Green #657432 ΔE 0.047
- Olive Green #677A04 ΔE 0.052
- Military Green #667C3E ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.055
Use #3F7831 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.