#3FAA43
Closest named color: Medium Green (#39AD48). oklch(65.4% 0.173 143.9), rgb(63, 170, 67).
Aa
Black text reads best on this color (7.04:1).
About this color
#3FAA43 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.173 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 0.008 away. Black text reads best on it, at 7.04:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.04:1 |
| White text | 2.98:1 |
Values
| HEX | #3FAA43 |
| RGB | rgb(63, 170, 67) |
| HSL | hsl(122, 46%, 46%) |
| OKLCH | oklch(65.4% 0.173 143.9) |
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 #3FAA43 | 2.98:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #3FAA43 | 7.04:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #3FAA43 text on white | 2.98:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #3FAA43 text on black | 7.04:1 | AAA | Lc -45.7 | 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
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C7E2C6
oklch(88.5% 0.048 144.2)
-
Step 300
300
#A0CF9E
oklch(80.8% 0.084 143.7)
-
Step 400
400
#68B668
oklch(70.7% 0.135 144)
-
Step 500
500 (this color)
#3FAA43
oklch(65.4% 0.173 143.9)
-
Step 600
600
#008C19
oklch(55.6% 0.181 143.9)
-
Step 700
700
#007613
oklch(49.1% 0.16 143.8)
-
Step 800
800
#00610E
oklch(42.8% 0.139 143.9)
-
Step 900
900
#0D5013
oklch(37.8% 0.113 144)
-
Step 950
950
#0B2F0D
oklch(27% 0.071 144.1)
#3FAA43 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) | #AD9B38 | 0.126 |
| Deuteranopia (no green cones) | #A0924B | 0.126 |
| Tritanopia (no blue cones) | #28A594 | 0.109 |
| Achromatopsia (no color) | #959595 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FAA43
#3FAA43
oklch(65.4% 0.173 143.9)
- #C266CB
#C266CB
oklch(65.4% 0.173 323.9)
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 #3FAA43, closest first.
No curated palette has a color within ΔE 0.04 of #3FAA43.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.008
- Mid Green #50A747 ΔE 0.016
- Grass #5CAC2D ΔE 0.027
- Shamrock #01B44C ΔE 0.030
- Kelly Green #02AB2E ΔE 0.031
- Dark Pastel Green #56AE57 ΔE 0.031
- Leaf Green #5CA904 ΔE 0.035
- Fern #63A950 ΔE 0.036
Use #3FAA43 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.