#3F8359
Closest named color: Sea Green (#2E8B57). oklch(55.4% 0.096 154.6), rgb(63, 131, 89).
Aa
Black text reads best on this color (4.60:1).
About this color
#3F8359 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.096 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.027 away. Black text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #3F8359 |
| RGB | rgb(63, 131, 89) |
| HSL | hsl(143, 35%, 38%) |
| OKLCH | oklch(55.4% 0.096 154.6) |
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 #3F8359 | 4.56:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #3F8359 | 4.60:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #3F8359 text on white | 4.56:1 | AA | Lc 71.5 | Content text, not long reading |
| #3F8359 text on black | 4.60:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED2
oklch(88.5% 0.024 153.4)
-
Step 300
300
#ACC9B4
oklch(80.8% 0.043 153.9)
-
Step 400
400
#7EAE8E
oklch(70.8% 0.069 155.1)
-
Step 500
500
#5C9971
oklch(63% 0.088 154.3)
-
Step 600
600 (this color)
#3F8359
oklch(55.4% 0.096 154.6)
-
Step 700
700
#316F49
oklch(49% 0.089 154.4)
-
Step 800
800
#2A5B3C
oklch(42.8% 0.075 154)
-
Step 900
900
#274B34
oklch(37.8% 0.058 154.5)
-
Step 950
950
#172C1E
oklch(27.1% 0.038 154)
#3F8359 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) | #837A56 | 0.086 |
| Deuteranopia (no green cones) | #79735C | 0.084 |
| Tritanopia (no blue cones) | #2E8278 | 0.047 |
| Achromatopsia (no color) | #767676 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8359
#3F8359
oklch(55.4% 0.096 154.6)
- #955C89
#955C89
oklch(55.3% 0.096 334.9)
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 #3F8359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.027
- Dark Sage #598556 ΔE 0.028
- Viridian #1E9167 ΔE 0.041
- Jungle Green #048243 ΔE 0.047
- Military Green #667C3E ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.050
- Fern Green #548D44 ΔE 0.050
- Swamp #698339 ΔE 0.055
Use #3F8359 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.