#3FC55B#3FC55B

#3FC55B is a light, vivid green. Relative luminance 0.417; OKLCH L 72.8% C 0.187 H 147.0°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#3FC55B
RGB	rgb(63, 197, 91)
HSL	hsl(133, 54%, 51%)
HSV	hsv(133, 68%, 77%)
CMYK	cmyk(68%, 0%, 53.8%, 22.7%)
CIE-LAB	lab(70.69, -58.07, 42.43)
CIE-LCH	lch(70.69, 71.92, 143.85°)
OKLab	oklab(72.79% -0.1566 0.1017)
OKLCH	oklch(72.79% 0.187 147)
XYZ	xyz(23.9028, 41.7420, 16.6928)
Luminance	0.4174 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC55B #C53FA9

analogous

#66C53F #3FC55B #3FC59E

triadic

#3FC55B #5B3FC5 #C55B3F

tetradic

#3FC55B #3F66C5 #C53FA9 #C59E3F

square

#3FC55B #3F66C5 #C53FA9 #C59E3F

split-complementary

#3FC55B #9E3FC5 #C53F66

monochromatic

#206A2F #2E9944 #3FC55B #6ED383 #9DE1AB

Accessibility & contrast

On white

2.25

#3FC55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#3FC55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC55B

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC55B	#FFFFFF	#000000	##000000
##3FC55B	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B451

Deuteranopia (green-blind)

#B7A963

Tritanopia (blue-blind)

#03C1AD

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #3fc55b;
/* rgb */ color: rgb(63, 197, 91);
/* oklch */ color: oklch(72.8% 0.187 147.0);

Tailwind

colors: {
  custom: {
    50: '#85d88c',
    500: '#3fc55b',
    950: '#000000',
  },
}

SCSS

$custom: #3fc55b;
$custom-light: #85d88c;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc55b",
  "rgb": {
    "r": 63,
    "g": 197,
    "b": 91
  },
  "hsl": {
    "h": 132.537,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.72789,
    "c": 0.18675,
    "h": 147
  },
  "luminance": 0.41745
}

Semantic roles & 50–950 ramp

primary

#3FC55B

secondary

#CE92C1

accent

#4BBEDD

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C150C

muted

#7D837D

Preview Lab

Preview with #3FC55B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →