#4FAC1D#4FAC1D

#4FAC1D is a light, vivid yellow-green. Relative luminance 0.313; OKLCH L 66.2% C 0.192 H 137.7°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#4FAC1D
RGB	rgb(79, 172, 29)
HSL	hsl(99, 71%, 39%)
HSV	hsv(99, 83%, 67%)
CMYK	cmyk(54.1%, 0%, 83.1%, 32.5%)
CIE-LAB	lab(62.72, -51.14, 58.64)
CIE-LCH	lch(62.72, 77.80, 131.09°)
OKLab	oklab(66.17% -0.1418 0.1291)
OKLCH	oklch(66.17% 0.192 137.7)
XYZ	xyz(18.1981, 31.2546, 6.2359)
Luminance	0.3126 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FAC1D #7A1DAC

analogous

#97AC1D #4FAC1D #1DAC33

triadic

#4FAC1D #1D4FAC #AC1D4F

tetradic

#4FAC1D #1D97AC #7A1DAC #AC331D

square

#4FAC1D #1D97AC #7A1DAC #AC331D

split-complementary

#4FAC1D #331DAC #AC1D97

monochromatic

#1F430B #377814 #4FAC1D #69DB2B #8EE45F

Accessibility & contrast

On white

2.90

#4FAC1D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#4FAC1D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FAC1D

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FAC1D	#FFFFFF	#000000	##000000
##4FAC1D	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29C00

Deuteranopia (green-blind)

#A6952F

Tritanopia (blue-blind)

#48A692

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #4fac1d;
/* rgb */ color: rgb(79, 172, 29);
/* oklch */ color: oklch(66.2% 0.192 137.7);

Tailwind

colors: {
  custom: {
    50: '#8ac567',
    500: '#4fac1d',
    950: '#000000',
  },
}

SCSS

$custom: #4fac1d;
$custom-light: #8ac567;
$custom-dark: #000000;

JSON

{
  "hex": "#4fac1d",
  "rgb": {
    "r": 79,
    "g": 172,
    "b": 29
  },
  "hsl": {
    "h": 99.021,
    "s": 71.144,
    "l": 39.412
  },
  "oklch": {
    "l": 0.66174,
    "c": 0.19177,
    "h": 137.7
  },
  "luminance": 0.31256
}

Semantic roles & 50–950 ramp

primary

#4FAC1D

secondary

#A35CC8

accent

#3AEEAF

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FAC1D

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

Preview Lab → · Contrast checker → · Palette generator →