#3FB131#3FB131

#3FB131 is a light, vivid green. Relative luminance 0.327; OKLCH L 67.1% C 0.194 H 141.6°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3FB131
RGB	rgb(63, 177, 49)
HSL	hsl(113, 57%, 44%)
HSV	hsv(113, 72%, 69%)
CMYK	cmyk(64.4%, 0%, 72.3%, 30.6%)
CIE-LAB	lab(63.93, -55.69, 53.17)
CIE-LCH	lch(63.93, 77.00, 136.33°)
OKLab	oklab(67.07% -0.152 0.1207)
OKLCH	oklch(67.07% 0.194 141.6)
XYZ	xyz(18.3255, 32.7210, 8.2552)
Luminance	0.3272 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB131 #A331B1

analogous

#7FB131 #3FB131 #31B163

triadic

#3FB131 #313FB1 #B1313F

tetradic

#3FB131 #317FB1 #A331B1 #B16331

square

#3FB131 #317FB1 #A331B1 #B16331

split-complementary

#3FB131 #6331B1 #B1317F

monochromatic

#1D5116 #2E8124 #3FB131 #5ECF51 #8ADC80

Accessibility & contrast

On white

2.78

#3FB131 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#3FB131 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB131

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB131	#FFFFFF	#000000	##000000
##3FB131	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A11B

Deuteranopia (green-blind)

#A8973E

Tritanopia (blue-blind)

#2AAB98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #3fb131;
/* rgb */ color: rgb(63, 177, 49);
/* oklch */ color: oklch(67.1% 0.194 141.6);

Tailwind

colors: {
  custom: {
    50: '#83c971',
    500: '#3fb131',
    950: '#000000',
  },
}

SCSS

$custom: #3fb131;
$custom-light: #83c971;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb131",
  "rgb": {
    "r": 63,
    "g": 177,
    "b": 49
  },
  "hsl": {
    "h": 113.438,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.6707,
    "c": 0.19405,
    "h": 141.6
  },
  "luminance": 0.32723
}

Semantic roles & 50–950 ramp

primary

#3FB131

secondary

#BD79C5

accent

#48E0CF

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #3FB131

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

Preview Lab → · Contrast checker → · Palette generator →