#3F840A
Closest named color: Dark Grass Green (#388004). oklch(54.7% 0.159 136.3), rgb(63, 132, 10).
Aa
White text reads best on this color (4.64:1).
About this color
#3F840A is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.159 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 0.014 away. White text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.51:1 |
| White text | 4.64:1 |
Values
| HEX | #3F840A |
| RGB | rgb(63, 132, 10) |
| HSL | hsl(94, 86%, 28%) |
| OKLCH | oklch(54.7% 0.159 136.3) |
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 #3F840A | 4.64:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #3F840A | 4.51:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #3F840A text on white | 4.64:1 | AA | Lc 72.0 | Content text, not long reading |
| #3F840A 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
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C6
oklch(88.5% 0.041 137.2)
-
Step 300
300
#ACCC9E
oklch(81% 0.072 136.2)
-
Step 400
400
#7FB168
oklch(70.7% 0.114 136.4)
-
Step 500
500
#5D9D3B
oklch(63.1% 0.147 136.3)
-
Step 600
600 (this color)
#3F840A
oklch(54.7% 0.159 136.3)
-
Step 700
700
#347200
oklch(49.1% 0.147 136.3)
-
Step 800
800
#2B5D07
oklch(42.7% 0.123 136.3)
-
Step 900
900
#284C13
oklch(37.6% 0.094 136.1)
-
Step 950
950
#182D0D
oklch(27.1% 0.06 136.2)
#3F840A 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 | 0.099 |
| Deuteranopia (no green cones) | #80721D | 0.099 |
| Tritanopia (no blue cones) | #3B7F70 | 0.114 |
| Achromatopsia (no color) | #747474 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F840A
#3F840A
oklch(54.7% 0.159 136.3)
- #944DAE
#944DAE
oklch(54.7% 0.16 316.2)
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 #3F840A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.014
- Forest Green #228B22 ΔE 0.024
- Tree Green #2A7E19 ΔE 0.027
- Green #008000 ΔE 0.037
- Emerald Green #028F1E ΔE 0.037
- Sap Green #5C8B15 ΔE 0.040
- Kelley Green #009337 ΔE 0.046
- Jungle Green #048243 ΔE 0.050
Use #3F840A 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.