#3F8D09
Closest named color: Forest Green (#228B22). oklch(57.1% 0.17 137.1), rgb(63, 141, 9).
Aa
Black text reads best on this color (5.02:1).
About this color
#3F8D09 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.170 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.022 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #3F8D09 |
| RGB | rgb(63, 141, 9) |
| HSL | hsl(95, 88%, 29%) |
| OKLCH | oklch(57.1% 0.17 137.1) |
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 #3F8D09 | 4.17:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #3F8D09 | 5.02:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #3F8D09 text on white | 4.17:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #3F8D09 text on black | 5.02:1 | AA | Lc -33.2 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CCE0C5
oklch(88.4% 0.042 137.5)
-
Step 300
300
#AACD9C
oklch(81% 0.077 136.9)
-
Step 400
400
#7BB264
oklch(70.6% 0.122 137)
-
Step 500
500
#579E35
oklch(63% 0.157 137.1)
-
Step 600
600 (this color)
#3F8D09
oklch(57.1% 0.17 137.1)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#244D0E
oklch(37.6% 0.102 137.1)
-
Step 950
950
#162D0B
oklch(26.9% 0.064 136.9)
#3F8D09 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) | #928000 | 0.108 |
| Deuteranopia (no green cones) | #887A1F | 0.106 |
| Tritanopia (no blue cones) | #398877 | 0.119 |
| Achromatopsia (no color) | #7C7C7C | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8D09
#3F8D09
oklch(57.1% 0.17 137.1)
- #9F51B8
#9F51B8
oklch(57.1% 0.169 317.3)
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 #3F8D09, closest first.
No curated palette has a color within ΔE 0.04 of #3F8D09.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.022
- Emerald Green #028F1E ΔE 0.025
- Irish Green #019529 ΔE 0.030
- True Green #089404 ΔE 0.030
- Sap Green #5C8B15 ΔE 0.031
- Kelley Green #009337 ΔE 0.032
- Dark Grass Green #388004 ΔE 0.040
- Grass Green #3F9B0B ΔE 0.041
Use #3F8D09 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.