#3F830B
Closest named color: Dark Grass Green (#388004). oklch(54.4% 0.158 136.3), rgb(63, 131, 11).
Aa
White text reads best on this color (4.70:1).
About this color
#3F830B is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.158 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 0.012 away. White text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #3F830B |
| RGB | rgb(63, 131, 11) |
| HSL | hsl(94, 85%, 28%) |
| OKLCH | oklch(54.4% 0.158 136.3) |
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 #3F830B | 4.70:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #3F830B | 4.46:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #3F830B text on white | 4.70:1 | AA | Lc 72.3 | Content text, not long reading |
| #3F830B text on black | 4.46:1 | AA large text | Lc -29.3 | 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
#CEE0C6
oklch(88.6% 0.04 135.9)
-
Step 300
300
#ACCC9E
oklch(81% 0.072 136.2)
-
Step 400
400
#7FB168
oklch(70.7% 0.114 136.4)
-
Step 500
500
#5E9D3C
oklch(63.2% 0.146 136.2)
-
Step 600
600 (this color)
#3F830B
oklch(54.4% 0.158 136.3)
-
Step 700
700
#347200
oklch(49.1% 0.147 136.3)
-
Step 800
800
#2C5D09
oklch(42.7% 0.122 136.2)
-
Step 900
900
#284C13
oklch(37.6% 0.094 136.1)
-
Step 950
950
#182D0D
oklch(27.1% 0.06 136.2)
#3F830B 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) | #887700 | 0.098 |
| Deuteranopia (no green cones) | #7F721D | 0.096 |
| Tritanopia (no blue cones) | #3B7E6F | 0.113 |
| Achromatopsia (no color) | #747474 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F830B
#3F830B
oklch(54.4% 0.158 136.3)
- #934DAC
#934DAC
oklch(54.4% 0.158 316.4)
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 #3F830B, closest first.
No curated palette has a color within ΔE 0.04 of #3F830B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.012
- Tree Green #2A7E19 ΔE 0.025
- Forest Green #228B22 ΔE 0.026
- Green #008000 ΔE 0.036
- Emerald Green #028F1E ΔE 0.039
- Sap Green #5C8B15 ΔE 0.042
- Jungle Green #048243 ΔE 0.048
- Kelley Green #009337 ΔE 0.048
Use #3F830B 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.