#3F8401
Closest named color: Dark Grass Green (#388004). oklch(54.6% 0.162 135.9), rgb(63, 132, 1).
Aa
White text reads best on this color (4.65:1).
About this color
#3F8401 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.162 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.015 away. White text reads best on it, at 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.51:1 |
| White text | 4.65:1 |
Values
| HEX | #3F8401 |
| RGB | rgb(63, 132, 1) |
| HSL | hsl(92, 98%, 26%) |
| OKLCH | oklch(54.6% 0.162 135.9) |
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 #3F8401 | 4.65:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #3F8401 | 4.51:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #3F8401 text on white | 4.65:1 | AA | Lc 72.0 | Content text, not long reading |
| #3F8401 text on black | 4.51:1 | AA | Lc -29.7 | Dividers and decoration only |
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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#ACCC9D
oklch(80.9% 0.073 135.8)
-
Step 400
400
#7FB166
oklch(70.7% 0.117 135.9)
-
Step 500
500
#5D9D39
oklch(63.1% 0.149 136)
-
Step 600
600 (this color)
#3F8401
oklch(54.6% 0.162 135.9)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2B5D03
oklch(42.6% 0.125 136)
-
Step 900
900
#284D11
oklch(37.9% 0.097 135.9)
-
Step 950
950
#182D0C
oklch(27% 0.061 135.8)
#3F8401 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) | #897800 | 0.100 |
| Deuteranopia (no green cones) | #807219 | 0.099 |
| Tritanopia (no blue cones) | #3C7F6F | 0.116 |
| Achromatopsia (no color) | #747474 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8401
#3F8401
oklch(54.6% 0.162 135.9)
- #944CAF
#944CAF
oklch(54.6% 0.163 315.9)
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 #3F8401, closest first.
No curated palette has a color within ΔE 0.04 of #3F8401.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.015
- Forest Green #228B22 ΔE 0.024
- Tree Green #2A7E19 ΔE 0.028
- Green #008000 ΔE 0.036
- Emerald Green #028F1E ΔE 0.036
- Sap Green #5C8B15 ΔE 0.040
- Kelley Green #009337 ΔE 0.047
- Irish Green #019529 ΔE 0.050
Use #3F8401 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.