#3FB949#3FB949

#3FB949 is a light, vivid green. Relative luminance 0.362; OKLCH L 69.4% C 0.187 H 144.5°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3FB949
RGB	rgb(63, 185, 73)
HSL	hsl(125, 49%, 49%)
HSV	hsv(125, 66%, 73%)
CMYK	cmyk(65.9%, 0%, 60.5%, 27.5%)
CIE-LAB	lab(66.70, -56.12, 46.14)
CIE-LCH	lch(66.70, 72.65, 140.57°)
OKLab	oklab(69.42% -0.1519 0.1084)
OKLCH	oklch(69.42% 0.187 144.5)
XYZ	xyz(20.6002, 36.2336, 12.2102)
Luminance	0.3624 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB949 #B93FAF

analogous

#72B93F #3FB949 #3FB986

triadic

#3FB949 #493FB9 #B9493F

tetradic

#3FB949 #3F72B9 #B93FAF #B9863F

square

#3FB949 #3F72B9 #B93FAF #B9863F

split-complementary

#3FB949 #863FB9 #B93F72

monochromatic

#205E25 #2F8B37 #3FB949 #69CC71 #97DC9C

Accessibility & contrast

On white

2.55

#3FB949 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#3FB949 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB949

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB949	#FFFFFF	#000000	##000000
##3FB949	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA83D

Deuteranopia (green-blind)

#AE9E52

Tritanopia (blue-blind)

#1EB4A1

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #3fb949;
/* rgb */ color: rgb(63, 185, 73);
/* oklch */ color: oklch(69.4% 0.187 144.5);

Tailwind

colors: {
  custom: {
    50: '#83cf7f',
    500: '#3fb949',
    950: '#000000',
  },
}

SCSS

$custom: #3fb949;
$custom-light: #83cf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb949",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 73
  },
  "hsl": {
    "h": 124.918,
    "s": 49.194,
    "l": 48.627
  },
  "oklch": {
    "l": 0.69422,
    "c": 0.18665,
    "h": 144.5
  },
  "luminance": 0.36236
}

Semantic roles & 50–950 ramp

primary

#3FB949

secondary

#C78DC2

accent

#4FCDD9

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #3FB949

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

Preview Lab → · Contrast checker → · Palette generator →