#3F8D00
Closest named color: Forest Green (#228B22). oklch(57.1% 0.172 136.8), rgb(63, 141, 0).
Aa
Black text reads best on this color (5.02:1).
About this color
#3F8D00 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.172 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 0.023 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 5.02:1 |
| White text | 4.18:1 |
Values
| HEX | #3F8D00 |
| RGB | rgb(63, 141, 0) |
| HSL | hsl(93, 100%, 28%) |
| OKLCH | oklch(57.1% 0.172 136.8) |
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 #3F8D00 | 4.18:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #3F8D00 | 5.02:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #3F8D00 text on white | 4.18:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #3F8D00 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
#CCE0C4
oklch(88.4% 0.043 136.7)
-
Step 300
300
#AACD9B
oklch(81% 0.078 136.4)
-
Step 400
400
#7BB263
oklch(70.6% 0.123 136.8)
-
Step 500
500
#579E33
oklch(63% 0.158 136.9)
-
Step 600
600 (this color)
#3F8D00
oklch(57.1% 0.172 136.8)
-
Step 700
700
#327200
oklch(49% 0.148 136.7)
-
Step 800
800
#285E00
oklch(42.8% 0.129 136.7)
-
Step 900
900
#244D0C
oklch(37.6% 0.103 136.7)
-
Step 950
950
#162D0A
oklch(26.9% 0.065 136.5)
#3F8D00 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 | 0.109 |
| Deuteranopia (no green cones) | #887A1B | 0.106 |
| Tritanopia (no blue cones) | #3A8777 | 0.123 |
| Achromatopsia (no color) | #7C7C7C | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8D00
#3F8D00
oklch(57.1% 0.172 136.8)
- #9F50BA
#9F50BA
oklch(57.1% 0.173 316.7)
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 #3F8D00, closest first.
No curated palette has a color within ΔE 0.04 of #3F8D00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.023
- Emerald Green #028F1E ΔE 0.025
- True Green #089404 ΔE 0.029
- Irish Green #019529 ΔE 0.030
- Sap Green #5C8B15 ΔE 0.032
- Kelley Green #009337 ΔE 0.033
- Dark Grass Green #388004 ΔE 0.041
- Grass Green #3F9B0B ΔE 0.041
Use #3F8D00 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.