#3FC73B#3FC73B

#3FC73B is a light, highly saturated green. Relative luminance 0.422; OKLCH L 73.0% C 0.213 H 142.6°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3FC73B
RGB	rgb(63, 199, 59)
HSL	hsl(118, 56%, 51%)
HSV	hsv(118, 70%, 78%)
CMYK	cmyk(68.3%, 0%, 70.4%, 22%)
CIE-LAB	lab(71.02, -62.33, 56.72)
CIE-LCH	lch(71.02, 84.28, 137.70°)
OKLab	oklab(72.96% -0.1694 0.1294)
OKLCH	oklch(72.96% 0.213 142.6)
XYZ	xyz(23.2614, 42.2169, 11.0596)
Luminance	0.4222 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC73B #C33BC7

analogous

#85C73B #3FC73B #3BC77D

triadic

#3FC73B #3B3FC7 #C73B3F

tetradic

#3FC73B #3B85C7 #C33BC7 #C77D3B

square

#3FC73B #3B85C7 #C33BC7 #C77D3B

split-complementary

#3FC73B #7D3BC7 #C73B85

monochromatic

#20691E #2F992C #3FC73B #6ED56B #9CE29A

Accessibility & contrast

On white

2.22

#3FC73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#3FC73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC73B

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC73B	#FFFFFF	#000000	##000000
##3FC73B	1.00	2.22	9.44	9.44
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB425

Deuteranopia (green-blind)

#BBAA49

Tritanopia (blue-blind)

#1BC1AB

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #3fc73b;
/* rgb */ color: rgb(63, 199, 59);
/* oklch */ color: oklch(73.0% 0.213 142.6);

Tailwind

colors: {
  custom: {
    50: '#86d979',
    500: '#3fc73b',
    950: '#000000',
  },
}

SCSS

$custom: #3fc73b;
$custom-light: #86d979;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc73b",
  "rgb": {
    "r": 63,
    "g": 199,
    "b": 59
  },
  "hsl": {
    "h": 118.286,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.72962,
    "c": 0.21317,
    "h": 142.6
  },
  "luminance": 0.42219
}

Semantic roles & 50–950 ramp

primary

#3FC73B

secondary

#CC90CE

accent

#49DFDB

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #3FC73B

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

Preview Lab → · Contrast checker → · Palette generator →