#3FAC55
Closest named color: Medium Green (#39AD48). oklch(66.2% 0.16 147.3), rgb(63, 172, 85).
Aa
Black text reads best on this color (7.24:1).
About this color
#3FAC55 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.160 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.016 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #3FAC55 |
| RGB | rgb(63, 172, 85) |
| HSL | hsl(132, 46%, 46%) |
| OKLCH | oklch(66.2% 0.16 147.3) |
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 #3FAC55 | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #3FAC55 | 7.24:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #3FAC55 text on white | 2.89:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #3FAC55 text on black | 7.24:1 | AAA | Lc -46.9 | 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
#E0EEE1
oklch(93.5% 0.023 147.4)
-
Step 200
200
#C7E1C9
oklch(88.4% 0.043 147.4)
-
Step 300
300
#9FCFA4
oklch(80.9% 0.078 147.6)
-
Step 400
400
#67B672
oklch(70.8% 0.126 147.3)
-
Step 500
500 (this color)
#3FAC55
oklch(66.2% 0.16 147.3)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#007529
oklch(49% 0.144 147.3)
-
Step 800
800
#006020
oklch(42.6% 0.126 147.3)
-
Step 900
900
#0A501D
oklch(37.8% 0.105 147.3)
-
Step 950
950
#0B2F12
oklch(27.1% 0.066 147.1)
#3FAC55 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) | #AE9D4E | 0.126 |
| Deuteranopia (no green cones) | #A0945B | 0.124 |
| Tritanopia (no blue cones) | #20A898 | 0.094 |
| Achromatopsia (no color) | #989898 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FAC55
#3FAC55
oklch(66.2% 0.16 147.3)
- #C56BC4
#C56BC4
oklch(66.1% 0.16 327.6)
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 #3FAC55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.016
- Mid Green #50A747 ΔE 0.018
- Dark Pastel Green #56AE57 ΔE 0.019
- Jade Green #2BAF6A ΔE 0.023
- Seaweed Green #35AD6B ΔE 0.025
- Fern #63A950 ΔE 0.028
- Algae #54AC68 ΔE 0.031
- Shamrock #01B44C ΔE 0.033
Use #3FAC55 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.