#3F7B1F
Closest named color: Tree Green (#2A7E19). oklch(52.3% 0.139 136.9), rgb(63, 123, 31).
Aa
White text reads best on this color (5.16:1).
About this color
#3F7B1F is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.139 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.020 away. White text reads best on it, at 5.16:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #3F7B1F |
| RGB | rgb(63, 123, 31) |
| HSL | hsl(99, 60%, 30%) |
| OKLCH | oklch(52.3% 0.139 136.9) |
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 #3F7B1F | 5.16:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #3F7B1F | 4.06:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #3F7B1F text on white | 5.16:1 | AA | Lc 75.3 | Fine for body text |
| #3F7B1F text on black | 4.06:1 | AA large text | Lc -26.4 | 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
#ADCBA1
oklch(80.9% 0.066 136.8)
-
Step 400
400
#80B06D
oklch(70.6% 0.107 137.2)
-
Step 500
500
#5F9C44
oklch(63.1% 0.137 137.1)
-
Step 600
600
#448621
oklch(55.6% 0.149 137)
-
Step 700
700 (this color)
#3F7B1F
oklch(52.3% 0.139 136.9)
-
Step 800
800
#2D5C13
oklch(42.5% 0.114 136.9)
-
Step 900
900
#294C18
oklch(37.7% 0.089 136.9)
-
Step 950
950
#182D0F
oklch(27.1% 0.058 137.2)
#3F7B1F 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) | #7F700F | 0.087 |
| Deuteranopia (no green cones) | #776B28 | 0.088 |
| Tritanopia (no blue cones) | #3C7669 | 0.098 |
| Achromatopsia (no color) | #6D6D6D | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7B1F
#3F7B1F
oklch(52.3% 0.139 136.9)
- #894C9E
#894C9E
oklch(52.3% 0.139 316.9)
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 #3F7B1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.020
- Dark Grass Green #388004 ΔE 0.023
- Jungle Green #048243 ΔE 0.039
- Green #008000 ΔE 0.041
- Olive Green #677A04 ΔE 0.046
- Forest Green #228B22 ΔE 0.049
- Murky Green #6C7A0E ΔE 0.053
- Muddy Green #657432 ΔE 0.057
Use #3F7B1F 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.