#4FB31D#4FB31D

#4FB31D is a light, vivid green. Relative luminance 0.340; OKLCH L 68.0% C 0.200 H 138.1°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#4FB31D
RGB	rgb(79, 179, 29)
HSL	hsl(100, 72%, 41%)
HSV	hsv(100, 84%, 70%)
CMYK	cmyk(55.9%, 0%, 83.8%, 29.8%)
CIE-LAB	lab(64.95, -53.71, 60.65)
CIE-LCH	lch(64.95, 81.02, 131.53°)
OKLab	oklab(68.02% -0.1487 0.1333)
OKLCH	oklch(68.02% 0.2 138.1)
XYZ	xyz(19.5656, 33.9896, 6.6918)
Luminance	0.3399 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB31D #811DB3

analogous

#9AB31D #4FB31D #1DB336

triadic

#4FB31D #1D4FB3 #B31D4F

tetradic

#4FB31D #1D9AB3 #811DB3 #B3361D

square

#4FB31D #1D9AB3 #811DB3 #B3361D

split-complementary

#4FB31D #361DB3 #B31D9A

monochromatic

#214A0C #387E14 #4FB31D #6ADD30 #90E664

Accessibility & contrast

On white

2.69

#4FB31D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#4FB31D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB31D

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB31D	#FFFFFF	#000000	##000000
##4FB31D	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AC9B31

Tritanopia (blue-blind)

#46AD98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #4fb31d;
/* rgb */ color: rgb(79, 179, 29);
/* oklch */ color: oklch(68.0% 0.200 138.1);

Tailwind

colors: {
  custom: {
    50: '#8ccb68',
    500: '#4fb31d',
    950: '#000000',
  },
}

SCSS

$custom: #4fb31d;
$custom-light: #8ccb68;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb31d",
  "rgb": {
    "r": 79,
    "g": 179,
    "b": 29
  },
  "hsl": {
    "h": 100,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.68017,
    "c": 0.19973,
    "h": 138.1
  },
  "luminance": 0.33991
}

Semantic roles & 50–950 ramp

primary

#4FB31D

secondary

#A861CB

accent

#39EFB2

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FB31D

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

Preview Lab → · Contrast checker → · Palette generator →