#3F8000
Closest named color: Dark Grass Green (#388004). oklch(53.5% 0.158 135.4), rgb(63, 128, 0).
Aa
White text reads best on this color (4.88:1).
About this color
#3F8000 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.158 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.006 away. White text reads best on it, at 4.88:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #3F8000 |
| RGB | rgb(63, 128, 0) |
| HSL | hsl(90, 100%, 25%) |
| OKLCH | oklch(53.5% 0.158 135.4) |
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 #3F8000 | 4.88:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #3F8000 | 4.29:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #3F8000 text on white | 4.88:1 | AA | Lc 73.5 | Content text, not long reading |
| #3F8000 text on black | 4.29:1 | AA large text | Lc -28.2 | 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
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEDFC6
oklch(88.4% 0.038 135.5)
-
Step 300
300
#ADCC9E
oklch(81% 0.071 135.5)
-
Step 400
400
#81B167
oklch(70.8% 0.114 135.3)
-
Step 500
500
#609C3B
oklch(63% 0.144 135.4)
-
Step 600
600 (this color)
#3F8000
oklch(53.5% 0.158 135.4)
-
Step 700
700
#377100
oklch(49% 0.144 135.4)
-
Step 800
800
#2E5D07
oklch(42.8% 0.121 135.4)
-
Step 900
900
#294C12
oklch(37.6% 0.095 135.5)
-
Step 950
950
#192D0D
oklch(27.1% 0.06 135.4)
#3F8000 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) | #857400 | 0.097 |
| Deuteranopia (no green cones) | #7D6F17 | 0.095 |
| Tritanopia (no blue cones) | #3C7B6C | 0.114 |
| Achromatopsia (no color) | #717171 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8000
#3F8000
oklch(53.5% 0.158 135.4)
- #8F4BAA
#8F4BAA
oklch(53.5% 0.157 315.4)
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 #3F8000, closest first.
No curated palette has a color within ΔE 0.04 of #3F8000.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.006
- Tree Green #2A7E19 ΔE 0.019
- Green #008000 ΔE 0.032
- Forest Green #228B22 ΔE 0.033
- Emerald Green #028F1E ΔE 0.046
- Jungle Green #048243 ΔE 0.049
- Sap Green #5C8B15 ΔE 0.049
- Olive Green #677A04 ΔE 0.049
Use #3F8000 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.