#3F8B2F
Closest named color: Forest Green (#228B22). oklch(56.8% 0.148 140.4), rgb(63, 139, 47).
Aa
Black text reads best on this color (4.94:1).
About this color
#3F8B2F is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.148 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.024 away. Black text reads best on it, at 4.94:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #3F8B2F |
| RGB | rgb(63, 139, 47) |
| HSL | hsl(110, 49%, 36%) |
| OKLCH | oklch(56.8% 0.148 140.4) |
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 #3F8B2F | 4.24:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #3F8B2F | 4.94:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #3F8B2F text on white | 4.24:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #3F8B2F text on black | 4.94:1 | AA | Lc -32.6 | 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
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CDE0C9
oklch(88.6% 0.037 140.2)
-
Step 300
300
#AACCA3
oklch(80.9% 0.067 140.3)
-
Step 400
400
#7CB171
oklch(70.7% 0.106 140.2)
-
Step 500
500
#589D4A
oklch(63.1% 0.137 140.3)
-
Step 600
600 (this color)
#3F8B2F
oklch(56.8% 0.148 140.4)
-
Step 700
700
#2D731D
oklch(49.2% 0.138 140.3)
-
Step 800
800
#265D1B
oklch(42.6% 0.114 140.5)
-
Step 900
900
#244D1C
oklch(37.8% 0.09 140.5)
-
Step 950
950
#162D12
oklch(27% 0.056 140.8)
#3F8B2F 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) | #8F7F24 | 0.102 |
| Deuteranopia (no green cones) | #857837 | 0.102 |
| Tritanopia (no blue cones) | #368778 | 0.098 |
| Achromatopsia (no color) | #7B7B7B | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8B2F
#3F8B2F
oklch(56.8% 0.148 140.4)
- #9D55AC
#9D55AC
oklch(56.8% 0.149 320.5)
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 #3F8B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.024
- Sap Green #5C8B15 ΔE 0.029
- Kelley Green #009337 ΔE 0.031
- Fern Green #548D44 ΔE 0.033
- Emerald Green #028F1E ΔE 0.035
- Mossy Green #638B27 ΔE 0.036
- Dark Grass Green #388004 ΔE 0.039
- Irish Green #019529 ΔE 0.039
Use #3F8B2F 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.