#3F8351
Closest named color: Sea Green (#2E8B57). oklch(55.2% 0.104 150.4), rgb(63, 131, 81).
Aa
White text reads best on this color (4.58:1).
About this color
#3F8351 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.104 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.024 away. White text reads best on it, at 4.58:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.57:1 |
| White text | 4.58:1 |
Values
| HEX | #3F8351 |
| RGB | rgb(63, 131, 81) |
| HSL | hsl(136, 35%, 38%) |
| OKLCH | oklch(55.2% 0.104 150.4) |
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 #3F8351 | 4.58:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #3F8351 | 4.57:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #3F8351 text on white | 4.58:1 | AA | Lc 71.7 | Content text, not long reading |
| #3F8351 text on black | 4.57:1 | AA | Lc -30.0 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CEDED0
oklch(88.5% 0.026 149.1)
-
Step 300
300
#ACCAB1
oklch(81% 0.047 150)
-
Step 400
400
#7FAE88
oklch(70.7% 0.075 150)
-
Step 500
500
#5C9A6B
oklch(63.1% 0.096 150.6)
-
Step 600
600 (this color)
#3F8351
oklch(55.2% 0.104 150.4)
-
Step 700
700
#327043
oklch(49.2% 0.096 150.4)
-
Step 800
800
#2A5B37
oklch(42.6% 0.08 150.4)
-
Step 900
900
#274B30
oklch(37.7% 0.062 150.6)
-
Step 950
950
#172C1C
oklch(27% 0.04 150.6)
#3F8351 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) | #84794E | 0.088 |
| Deuteranopia (no green cones) | #7A7354 | 0.085 |
| Tritanopia (no blue cones) | #318176 | 0.056 |
| Achromatopsia (no color) | #757575 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8351
#3F8351
oklch(55.2% 0.104 150.4)
- #945A8F
#945A8F
oklch(55.1% 0.105 330)
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 #3F8351, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.024
- Dark Sage #598556 ΔE 0.030
- Jungle Green #048243 ΔE 0.039
- Viridian #1E9167 ΔE 0.043
- Fern Green #548D44 ΔE 0.044
- Military Green #667C3E ΔE 0.044
- Light Forest Green #4F9153 ΔE 0.047
- Swamp #698339 ΔE 0.049
Use #3F8351 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.