#3F7A19
Closest named color: Tree Green (#2A7E19). oklch(52% 0.141 136.2), rgb(63, 122, 25).
Aa
White text reads best on this color (5.23:1).
About this color
#3F7A19 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.141 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.019 away. White text reads best on it, at 5.23:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.00:1 |
| White text | 5.23:1 |
Values
| HEX | #3F7A19 |
| RGB | rgb(63, 122, 25) |
| HSL | hsl(96, 66%, 29%) |
| OKLCH | oklch(52% 0.141 136.2) |
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 #3F7A19 | 5.23:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #3F7A19 | 4.00:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #3F7A19 text on white | 5.23:1 | AA | Lc 75.7 | Fine for body text |
| #3F7A19 text on black | 4.00:1 | AA large text | Lc -26.0 | 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 700.
-
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
#CEDFC7
oklch(88.4% 0.037 136.5)
-
Step 300
300
#ADCBA0
oklch(80.9% 0.067 136.3)
-
Step 400
400
#81B06B
oklch(70.6% 0.108 136.2)
-
Step 500
500
#609C41
oklch(63.1% 0.139 136.3)
-
Step 600
600
#45861B
oklch(55.6% 0.152 136.2)
-
Step 700
700 (this color)
#3F7A19
oklch(52% 0.141 136.2)
-
Step 800
800
#2E5C0F
oklch(42.6% 0.116 136)
-
Step 900
900
#294C16
oklch(37.7% 0.091 136.3)
-
Step 950
950
#192D0E
oklch(27.1% 0.058 135.8)
#3F7A19 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) | #7F6F02 | 0.087 |
| Deuteranopia (no green cones) | #776A23 | 0.088 |
| Tritanopia (no blue cones) | #3C7568 | 0.101 |
| Achromatopsia (no color) | #6C6C6C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7A19
#3F7A19
oklch(52% 0.141 136.2)
- #884B9E
#884B9E
oklch(52% 0.14 316.4)
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 #3F7A19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.019
- Dark Grass Green #388004 ΔE 0.023
- Green #008000 ΔE 0.040
- Jungle Green #048243 ΔE 0.042
- Olive Green #677A04 ΔE 0.047
- Forest Green #228B22 ΔE 0.051
- Murky Green #6C7A0E ΔE 0.055
- Muddy Green #657432 ΔE 0.059
Use #3F7A19 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.