#3F873C
Closest named color: Fern Green (#548D44). oklch(55.9% 0.131 142.9), rgb(63, 135, 60).
Aa
Black text reads best on this color (4.74:1).
About this color
#3F873C is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.131 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.030 away. Black text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #3F873C |
| RGB | rgb(63, 135, 60) |
| HSL | hsl(118, 38%, 38%) |
| OKLCH | oklch(55.9% 0.131 142.9) |
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 #3F873C | 4.42:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #3F873C | 4.74:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #3F873C text on white | 4.42:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #3F873C text on black | 4.74:1 | AA | Lc -31.2 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CDDFCB
oklch(88.5% 0.033 142.5)
-
Step 300
300
#ABCBA8
oklch(80.9% 0.059 142.7)
-
Step 400
400
#7DB07A
oklch(70.7% 0.094 143.2)
-
Step 500
500
#5A9C57
oklch(63.1% 0.121 143.1)
-
Step 600
600 (this color)
#3F873C
oklch(55.9% 0.131 142.9)
-
Step 700
700
#30712D
oklch(49% 0.121 142.7)
-
Step 800
800
#295C26
oklch(42.6% 0.101 142.6)
-
Step 900
900
#264C24
oklch(37.7% 0.079 142.8)
-
Step 950
950
#172D16
oklch(27.2% 0.05 143.1)
#3F873C 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) | #8A7C35 | 0.096 |
| Deuteranopia (no green cones) | #807541 | 0.095 |
| Tritanopia (no blue cones) | #358376 | 0.084 |
| Achromatopsia (no color) | #787878 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F873C
#3F873C
oklch(55.9% 0.131 142.9)
- #9857A0
#9857A0
oklch(55.9% 0.131 323)
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 #3F873C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.031
- Jungle Green #048243 ΔE 0.036
- Forest Green #228B22 ΔE 0.037
- Light Forest Green #4F9153 ΔE 0.042
- Dark Grass Green #388004 ΔE 0.042
- Sap Green #5C8B15 ΔE 0.042
- Mossy Green #638B27 ΔE 0.043
Use #3F873C 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.