#3FBD4B
Closest named color: Leafy Green (#51B73B). oklch(70.5% 0.19 144.7), rgb(63, 189, 75).
Aa
Black text reads best on this color (8.59:1).
About this color
#3FBD4B is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.190 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.019 away. Black text reads best on it, at 8.59:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.190) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.59:1 |
| White text | 2.44:1 |
Values
| HEX | #3FBD4B |
| RGB | rgb(63, 189, 75) |
| HSL | hsl(126, 50%, 49%) |
| OKLCH | oklch(70.5% 0.19 144.7) |
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 #3FBD4B | 2.44:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #3FBD4B | 8.59:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #3FBD4B text on white | 2.44:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #3FBD4B text on black | 8.59:1 | AAA | Lc -54.4 | 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 400.
-
Step 50
50
#EFF8EF
oklch(97% 0.015 145.5)
-
Step 100
100
#DCF0DC
oklch(93.5% 0.034 145.3)
-
Step 200
200
#BFE5BF
oklch(88.5% 0.065 145)
-
Step 300
300
#8FD590
oklch(80.9% 0.119 144.7)
-
Step 400
400 (this color)
#3FBD4B
oklch(70.5% 0.19 144.7)
-
Step 500
500
#00A629
oklch(63% 0.2 144.7)
-
Step 600
600
#008C21
oklch(55.6% 0.177 144.7)
-
Step 700
700
#00761A
oklch(49.2% 0.156 144.6)
-
Step 800
800
#006114
oklch(42.8% 0.136 144.7)
-
Step 900
900
#00510F
oklch(37.8% 0.12 144.7)
-
Step 950
950
#003006
oklch(26.9% 0.085 144.8)
#3FBD4B 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) | #C0AC3F | 0.141 |
| Deuteranopia (no green cones) | #B1A254 | 0.140 |
| Tritanopia (no blue cones) | #1BB8A4 | 0.117 |
| Achromatopsia (no color) | #A6A6A6 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FBD4B
#3FBD4B
oklch(70.5% 0.19 144.7)
- #D970E0
#D970E0
oklch(70.6% 0.19 325)
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 #3FBD4B, closest first.
No curated palette has a color within ΔE 0.04 of #3FBD4B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.019
- Shamrock Green #02C14D ΔE 0.019
- Cool Green #33B864 ΔE 0.034
- Frog Green #58BC08 ΔE 0.035
- Shamrock #01B44C ΔE 0.036
- Algae Green #21C36F ΔE 0.036
- Dark Mint Green #20C073 ΔE 0.041
- Dark Mint #48C072 ΔE 0.043
Use #3FBD4B 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.