#3FAC44
Closest named color: Medium Green (#39AD48). oklch(65.9% 0.174 144), rgb(63, 172, 68).
Aa
Black text reads best on this color (7.19:1).
About this color
#3FAC44 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.174 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.004 away. Black text reads best on it, at 7.19:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.19:1 |
| White text | 2.91:1 |
Values
| HEX | #3FAC44 |
| RGB | rgb(63, 172, 68) |
| HSL | hsl(123, 46%, 46%) |
| OKLCH | oklch(65.9% 0.174 144) |
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 #3FAC44 | 2.91:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #3FAC44 | 7.19:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #3FAC44 text on white | 2.91:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #3FAC44 text on black | 7.19:1 | AAA | Lc -46.6 | Large or bold text, headings |
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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EEE0
oklch(93.5% 0.024 145.4)
-
Step 200
200
#C7E2C6
oklch(88.5% 0.048 144.2)
-
Step 300
300
#9FCF9E
oklch(80.8% 0.085 144.2)
-
Step 400
400
#67B667
oklch(70.6% 0.137 144)
-
Step 500
500 (this color)
#3FAC44
oklch(65.9% 0.174 144)
-
Step 600
600
#008C1A
oklch(55.6% 0.18 144)
-
Step 700
700
#007615
oklch(49.1% 0.159 144)
-
Step 800
800
#00610F
oklch(42.8% 0.139 144)
-
Step 900
900
#0B5012
oklch(37.7% 0.114 144)
-
Step 950
950
#0B2F0D
oklch(27% 0.071 144.1)
#3FAC44 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) | #AF9D39 | 0.128 |
| Deuteranopia (no green cones) | #A2944C | 0.127 |
| Tritanopia (no blue cones) | #27A796 | 0.110 |
| Achromatopsia (no color) | #979797 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FAC44
#3FAC44
oklch(65.9% 0.174 144)
- #C467CD
#C467CD
oklch(65.9% 0.174 324)
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 #3FAC44, closest first.
No curated palette has a color within ΔE 0.04 of #3FAC44.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.004
- Mid Green #50A747 ΔE 0.019
- Grass #5CAC2D ΔE 0.025
- Shamrock #01B44C ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.029
- Kelly Green #02AB2E ΔE 0.032
- Leaf Green #5CA904 ΔE 0.034
- Fern #63A950 ΔE 0.036
Use #3FAC44 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.