#3F7E40
Closest named color: Jungle Green (#048243). oklch(53.5% 0.114 144.1), rgb(63, 126, 64).
Aa
White text reads best on this color (4.91:1).
About this color
#3F7E40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.114 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.030 away. White text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.26:1 |
| White text | 4.91:1 |
Values
| HEX | #3F7E40 |
| RGB | rgb(63, 126, 64) |
| HSL | hsl(121, 33%, 37%) |
| OKLCH | oklch(53.5% 0.114 144.1) |
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 #3F7E40 | 4.91:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #3F7E40 | 4.26:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #3F7E40 text on white | 4.91:1 | AA | Lc 73.9 | Content text, not long reading |
| #3F7E40 text on black | 4.26:1 | AA large text | Lc -27.8 | 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 600.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CEDECE
oklch(88.4% 0.028 145.3)
-
Step 300
300
#ADCAAC
oklch(80.9% 0.052 144.2)
-
Step 400
400
#81AE80
oklch(70.6% 0.082 144.1)
-
Step 500
500
#609A60
oklch(63.1% 0.105 144.2)
-
Step 600
600 (this color)
#3F7E40
oklch(53.5% 0.114 144.1)
-
Step 700
700
#367037
oklch(49.1% 0.107 144.1)
-
Step 800
800
#2E5B2E
oklch(42.7% 0.088 143.8)
-
Step 900
900
#294B29
oklch(37.7% 0.069 144)
-
Step 950
950
#192C19
oklch(27% 0.043 144.3)
#3F7E40 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) | #80743B | 0.085 |
| Deuteranopia (no green cones) | #776E44 | 0.085 |
| Tritanopia (no blue cones) | #367B6F | 0.070 |
| Achromatopsia (no color) | #707070 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7E40
#3F7E40
oklch(53.5% 0.114 144.1)
- #8D5492
#8D5492
oklch(53.4% 0.114 324.1)
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 #3F7E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.040
- Tree Green #2A7E19 ΔE 0.044
- Military Green #667C3E ΔE 0.044
- Dark Sage #598556 ΔE 0.046
- Muddy Green #657432 ΔE 0.048
- Dark Grass Green #388004 ΔE 0.049
- Swamp #698339 ΔE 0.052
Use #3F7E40 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.