#3F9631
Closest named color: Grass Green (#3F9B0B). oklch(59.8% 0.161 141), rgb(63, 150, 49).
Aa
Black text reads best on this color (5.61:1).
About this color
#3F9631 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.161 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.028 away. Black text reads best on it, at 5.61:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #3F9631 |
| RGB | rgb(63, 150, 49) |
| HSL | hsl(112, 51%, 39%) |
| OKLCH | oklch(59.8% 0.161 141) |
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 #3F9631 | 3.73:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #3F9631 | 5.61:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #3F9631 text on white | 3.73:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #3F9631 text on black | 5.61:1 | AA | Lc -37.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A5CE9E
oklch(80.9% 0.079 141)
-
Step 400
400
#72B468
oklch(70.7% 0.126 141.2)
-
Step 500
500 (this color)
#3F9631
oklch(59.8% 0.161 141)
-
Step 600
600
#268A11
oklch(55.5% 0.175 141)
-
Step 700
700
#177500
oklch(49% 0.162 141.1)
-
Step 800
800
#176008
oklch(42.8% 0.135 141)
-
Step 900
900
#1B4E13
oklch(37.6% 0.104 141.1)
-
Step 950
950
#112E0D
oklch(27% 0.067 141.3)
#3F9631 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) | #9A8924 | 0.111 |
| Deuteranopia (no green cones) | #8F813A | 0.112 |
| Tritanopia (no blue cones) | #339181 | 0.106 |
| Achromatopsia (no color) | #848484 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F9631
#3F9631
oklch(59.8% 0.161 141)
- #AA5AB9
#AA5AB9
oklch(59.8% 0.161 321.1)
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 #3F9631, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.028
- Kelley Green #009337 ΔE 0.029
- Irish Green #019529 ΔE 0.029
- Grassy Green #419C03 ΔE 0.032
- Sap Green #5C8B15 ΔE 0.036
- True Green #089404 ΔE 0.039
- Emerald Green #028F1E ΔE 0.040
- Forest Green #228B22 ΔE 0.042
Use #3F9631 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.