#3FAB31#3FAB31

#3FAB31 is a light, vivid green. Relative luminance 0.304; OKLCH L 65.5% C 0.187 H 141.5°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#3FAB31
RGB	rgb(63, 171, 49)
HSL	hsl(113, 55%, 43%)
HSV	hsv(113, 71%, 67%)
CMYK	cmyk(63.2%, 0%, 71.3%, 32.9%)
CIE-LAB	lab(62.00, -53.58, 51.18)
CIE-LCH	lch(62.00, 74.09, 136.31°)
OKLab	oklab(65.47% -0.1463 0.1165)
OKLCH	oklch(65.47% 0.187 141.5)
XYZ	xyz(17.1663, 30.4027, 7.8688)
Luminance	0.3040 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FAB31 #9D31AB

analogous

#7CAB31 #3FAB31 #31AB60

triadic

#3FAB31 #313FAB #AB313F

tetradic

#3FAB31 #317CAB #9D31AB #AB6031

square

#3FAB31 #317CAB #9D31AB #AB6031

split-complementary

#3FAB31 #6031AB #AB317C

monochromatic

#1C4C16 #2D7B23 #3FAB31 #5CCC4D #87DA7D

Accessibility & contrast

On white

2.97

#3FAB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#3FAB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FAB31

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FAB31	#FFFFFF	#000000	##000000
##3FAB31	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9B1D

Deuteranopia (green-blind)

#A2923D

Tritanopia (blue-blind)

#2CA693

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #3fab31;
/* rgb */ color: rgb(63, 171, 49);
/* oklch */ color: oklch(65.5% 0.187 141.5);

Tailwind

colors: {
  custom: {
    50: '#81c570',
    500: '#3fab31',
    950: '#000000',
  },
}

SCSS

$custom: #3fab31;
$custom-light: #81c570;
$custom-dark: #000000;

JSON

{
  "hex": "#3fab31",
  "rgb": {
    "r": 63,
    "g": 171,
    "b": 49
  },
  "hsl": {
    "h": 113.115,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.6547,
    "c": 0.18699,
    "h": 141.5
  },
  "luminance": 0.30404
}

Semantic roles & 50–950 ramp

primary

#3FAB31

secondary

#BA75C2

accent

#49DFCE

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #3FAB31

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

Preview Lab → · Contrast checker → · Palette generator →