#3F7140
Closest named color: Dark Olive Green (#556B2F). oklch(50% 0.093 144.4), rgb(63, 113, 64).
Aa
White text reads best on this color (5.75:1).
About this color
#3F7140 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.093 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.030 away. White text reads best on it, at 5.75:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.64:1 |
| White text | 5.75:1 |
Values
| HEX | #3F7140 |
| RGB | rgb(63, 113, 64) |
| HSL | hsl(121, 28%, 35%) |
| OKLCH | oklch(50% 0.093 144.4) |
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 #3F7140 | 5.75:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #3F7140 | 3.64:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #3F7140 text on white | 5.75:1 | AA | Lc 78.7 | Fine for body text |
| #3F7140 text on black | 3.64:1 | AA large text | Lc -23.1 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#D0DECF
oklch(88.6% 0.025 143.5)
-
Step 300
300
#AFC9AF
oklch(80.9% 0.046 145.1)
-
Step 400
400
#85AD84
oklch(70.7% 0.073 144.1)
-
Step 500
500
#669866
oklch(63.1% 0.091 144.4)
-
Step 600
600
#4C834D
oklch(55.7% 0.101 144.5)
-
Step 700
700 (this color)
#3F7140
oklch(50% 0.093 144.4)
-
Step 800
800
#325A33
oklch(42.7% 0.078 144.6)
-
Step 900
900
#2D4A2D
oklch(37.7% 0.06 144.3)
-
Step 950
950
#1A2B1A
oklch(26.8% 0.038 144.4)
#3F7140 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) | #73693C | 0.071 |
| Deuteranopia (no green cones) | #6C6443 | 0.071 |
| Tritanopia (no blue cones) | #396E65 | 0.059 |
| Achromatopsia (no color) | #666666 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7140
#3F7140
oklch(50% 0.093 144.4)
- #7E5081
#7E5081
oklch(50.1% 0.093 324.7)
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 #3F7140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.030
- Dark Moss Green #606C38 ΔE 0.041
- Camo Green #526525 ΔE 0.041
- Muddy Green #657432 ΔE 0.050
- Camouflage Green #4B6113 ΔE 0.055
- Jungle Green #048243 ΔE 0.056
- Mud Green #606602 ΔE 0.057
- Military Green #667C3E ΔE 0.062
Use #3F7140 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.