#3F871D
Closest named color: Forest Green (#228B22). oklch(55.6% 0.155 137.9), rgb(63, 135, 29).
Aa
Black text reads best on this color (4.69:1).
About this color
#3F871D is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.155 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.020 away. Black text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #3F871D |
| RGB | rgb(63, 135, 29) |
| HSL | hsl(101, 65%, 32%) |
| OKLCH | oklch(55.6% 0.155 137.9) |
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 #3F871D | 4.47:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #3F871D | 4.69:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #3F871D text on white | 4.47:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #3F871D text on black | 4.69:1 | AA | Lc -30.9 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#ABCCA0
oklch(80.9% 0.07 137.9)
-
Step 400
400
#7EB16B
oklch(70.7% 0.112 137.6)
-
Step 500
500
#5B9D42
oklch(63.1% 0.142 138)
-
Step 600
600 (this color)
#3F871D
oklch(55.6% 0.155 137.9)
-
Step 700
700
#31720D
oklch(49% 0.144 137.7)
-
Step 800
800
#295D11
oklch(42.6% 0.119 138)
-
Step 900
900
#264D17
oklch(37.8% 0.094 138.1)
-
Step 950
950
#172D0F
oklch(27% 0.059 138.1)
#3F871D 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) | #8B7B04 | 0.098 |
| Deuteranopia (no green cones) | #827529 | 0.100 |
| Tritanopia (no blue cones) | #3A8273 | 0.108 |
| Achromatopsia (no color) | #777777 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F871D
#3F871D
oklch(55.6% 0.155 137.9)
- #9851AD
#9851AD
oklch(55.7% 0.155 318.1)
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 #3F871D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.020
- Dark Grass Green #388004 ΔE 0.024
- Emerald Green #028F1E ΔE 0.033
- Sap Green #5C8B15 ΔE 0.033
- Tree Green #2A7E19 ΔE 0.034
- Kelley Green #009337 ΔE 0.038
- Irish Green #019529 ΔE 0.043
- Mossy Green #638B27 ΔE 0.043
Use #3F871D 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.