#3FCB66#3FCB66
#3FCB66 is a light, vivid green. Relative luminance 0.447; OKLCH L 74.5% C 0.185 H 148.7°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).
Color values
| HEX | #3FCB66 |
|---|---|
| RGB | rgb(63, 203, 102) |
| HSL | hsl(137, 57%, 52%) |
| HSV | hsv(137, 69%, 80%) |
| CMYK | cmyk(69%, 0%, 49.8%, 20.4%) |
| CIE-LAB | lab(72.71, -58.62, 39.56) |
| CIE-LCH | lch(72.71, 70.72, 145.99°) |
| OKLab | oklab(74.5% -0.1579 0.0959) |
| OKLCH | oklch(74.5% 0.185 148.7) |
| XYZ | xyz(25.8021, 44.7251, 19.8408) |
| Luminance | 0.4473 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Emerald
#50C878
ΔE00 3.31
Algae Green
#21C36F
ΔE00 3.79
Shamrock Green
#02C14D
ΔE00 3.88
Seaweed
#18D17B
ΔE00 3.89
Dark Mint
#48C072
ΔE00 4.22
Tealish Green
#0CDC73
ΔE00 4.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3FCB66 #CB3FA4
analogous
#5ECB3F #3FCB66 #3FCBAC
triadic
#3FCB66 #663FCB #CB663F
tetradic
#3FCB66 #3F5ECB #CB3FA4 #CBAC3F
square
#3FCB66 #3F5ECB #CB3FA4 #CBAC3F
split-complementary
#3FCB66 #AC3FCB #CB3F5E
monochromatic
#1F7136 #2CA14C #3FCB66 #6FD88C #9FE5B3
Accessibility & contrast
On white
2.11
#3FCB66 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.95
#3FCB66 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #3FCB66
9.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3FCB66 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3FCB66 | 1.00 | 2.11 | 9.95 | 9.95 |
| #FFFFFF | 2.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#CDBA5E
Deuteranopia (green-blind)
#BCAE6D
Tritanopia (blue-blind)
#00C7B3
Achromatopsia (no color)
#B2B2B2
Design tokens & code
CSS
--color: #3fcb66; /* rgb */ color: rgb(63, 203, 102); /* oklch */ color: oklch(74.5% 0.185 148.7);
Tailwind
colors: {
custom: {
50: '#86dc93',
500: '#3fcb66',
950: '#000000',
},
}SCSS
$custom: #3fcb66; $custom-light: #86dc93; $custom-dark: #000000;
JSON
{
"hex": "#3fcb66",
"rgb": {
"r": 63,
"g": 203,
"b": 102
},
"hsl": {
"h": 136.714,
"s": 57.377,
"l": 52.157
},
"oklch": {
"l": 0.74501,
"c": 0.18477,
"h": 148.7
},
"luminance": 0.44728
}Semantic roles & 50–950 ramp
primary
#3FCB66
secondary
#D194C0
accent
#47B6E1
background
#F8FDF9
surface
#F0FBF1
border
#CBD4CB
text
#0C150D
muted
#7D837E