#3F784B
Closest named color: Dark Olive Green (#556B2F). oklch(52.1% 0.093 149.1), rgb(63, 120, 75).
Aa
White text reads best on this color (5.25:1).
About this color
#3F784B is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.093 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.045 away. White text reads best on it, at 5.25:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #3F784B |
| RGB | rgb(63, 120, 75) |
| HSL | hsl(133, 31%, 36%) |
| OKLCH | oklch(52.1% 0.093 149.1) |
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 #3F784B | 5.25:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #3F784B | 3.99:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #3F784B text on white | 5.25:1 | AA | Lc 75.9 | Fine for body text |
| #3F784B text on black | 3.99:1 | AA large text | Lc -25.8 | 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 700.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CEDED0
oklch(88.5% 0.026 149.1)
-
Step 300
300
#ADC9B1
oklch(80.8% 0.045 149.3)
-
Step 400
400
#81AE88
oklch(70.8% 0.073 149)
-
Step 500
500
#60996B
oklch(63.1% 0.091 149.3)
-
Step 600
600
#458352
oklch(55.5% 0.1 149.1)
-
Step 700
700 (this color)
#3F784B
oklch(52.1% 0.093 149.1)
-
Step 800
800
#2E5B37
oklch(42.8% 0.078 148.8)
-
Step 900
900
#294A30
oklch(37.6% 0.059 149.6)
-
Step 950
950
#192C1C
oklch(27.1% 0.039 148.4)
#3F784B 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) | #796F48 | 0.077 |
| Deuteranopia (no green cones) | #716A4E | 0.076 |
| Tritanopia (no blue cones) | #35766D | 0.053 |
| Achromatopsia (no color) | #6C6C6C | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F784B
#3F784B
oklch(52.1% 0.093 149.1)
- #875583
#875583
oklch(52.2% 0.092 329.6)
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 #3F784B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.045
- Jungle Green #048243 ΔE 0.046
- Muddy Green #657432 ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.047
- Military Green #667C3E ΔE 0.050
- Dark Sage #598556 ΔE 0.052
- Sea Green #2E8B57 ΔE 0.055
- Camo Green #526525 ΔE 0.060
Use #3F784B 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.