#3FAB4E
Closest named color: Medium Green (#39AD48). oklch(65.8% 0.165 145.9), rgb(63, 171, 78).
Aa
Black text reads best on this color (7.14:1).
About this color
#3FAB4E is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.165 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.011 away. Black text reads best on it, at 7.14:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.14:1 |
| White text | 2.93:1 |
Values
| HEX | #3FAB4E |
| RGB | rgb(63, 171, 78) |
| HSL | hsl(128, 46%, 46%) |
| OKLCH | oklch(65.8% 0.165 145.9) |
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 #3FAB4E | 2.93:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #3FAB4E | 7.14:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #3FAB4E text on white | 2.93:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #3FAB4E text on black | 7.14:1 | AAA | Lc -46.3 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C7E2C8
oklch(88.6% 0.045 146.2)
-
Step 300
300
#A0CFA2
oklch(80.9% 0.08 145.9)
-
Step 400
400
#68B66E
oklch(70.8% 0.129 145.7)
-
Step 500
500 (this color)
#3FAB4E
oklch(65.8% 0.165 145.9)
-
Step 600
600
#008C2A
oklch(55.7% 0.171 145.8)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800
#00601A
oklch(42.5% 0.131 145.8)
-
Step 900
900
#0C5019
oklch(37.8% 0.108 145.7)
-
Step 950
950
#0B2F10
oklch(27.1% 0.068 145.8)
#3FAB4E 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) | #AE9C45 | 0.127 |
| Deuteranopia (no green cones) | #A09355 | 0.125 |
| Tritanopia (no blue cones) | #24A796 | 0.099 |
| Achromatopsia (no color) | #979797 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FAB4E
#3FAB4E
oklch(65.8% 0.165 145.9)
- #C369C7
#C369C7
oklch(65.7% 0.165 325.7)
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 #3FAB4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.011
- Mid Green #50A747 ΔE 0.014
- Dark Pastel Green #56AE57 ΔE 0.024
- Fern #63A950 ΔE 0.030
- Jade Green #2BAF6A ΔE 0.030
- Shamrock #01B44C ΔE 0.031
- Seaweed Green #35AD6B ΔE 0.032
- Grass #5CAC2D ΔE 0.033
Use #3FAB4E 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.