#3FAC31#3FAC31

#3FAC31 is a light, vivid green. Relative luminance 0.308; OKLCH L 65.7% C 0.188 H 141.5°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#3FAC31
RGB	rgb(63, 172, 49)
HSL	hsl(113, 56%, 43%)
HSV	hsv(113, 72%, 67%)
CMYK	cmyk(63.4%, 0%, 71.5%, 32.5%)
CIE-LAB	lab(62.32, -53.93, 51.51)
CIE-LCH	lch(62.32, 74.58, 136.32°)
OKLab	oklab(65.74% -0.1472 0.1172)
OKLCH	oklch(65.74% 0.188 141.5)
XYZ	xyz(17.3559, 30.7819, 7.9320)
Luminance	0.3078 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FAC31 #9E31AC

analogous

#7CAC31 #3FAC31 #31AC60

triadic

#3FAC31 #313FAC #AC313F

tetradic

#3FAC31 #317CAC #9E31AC #AC6031

square

#3FAC31 #317CAC #9E31AC #AC6031

split-complementary

#3FAC31 #6031AC #AC317C

monochromatic

#1C4D16 #2E7C23 #3FAC31 #5CCC4E #88DA7D

Accessibility & contrast

On white

2.93

#3FAC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#3FAC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FAC31

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FAC31	#FFFFFF	#000000	##000000
##3FAC31	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C1D

Deuteranopia (green-blind)

#A3933D

Tritanopia (blue-blind)

#2CA794

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #3fac31;
/* rgb */ color: rgb(63, 172, 49);
/* oklch */ color: oklch(65.7% 0.188 141.5);

Tailwind

colors: {
  custom: {
    50: '#82c670',
    500: '#3fac31',
    950: '#000000',
  },
}

SCSS

$custom: #3fac31;
$custom-light: #82c670;
$custom-dark: #000000;

JSON

{
  "hex": "#3fac31",
  "rgb": {
    "r": 63,
    "g": 172,
    "b": 49
  },
  "hsl": {
    "h": 113.171,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.65737,
    "c": 0.18818,
    "h": 141.5
  },
  "luminance": 0.30784
}

Semantic roles & 50–950 ramp

primary

#3FAC31

secondary

#BA76C3

accent

#49DFCE

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #3FAC31

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

Preview Lab → · Contrast checker → · Palette generator →