#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
RGBrgb(79, 172, 29)
HSLhsl(99, 71%, 39%)
HSVhsv(99, 83%, 67%)
CMYKcmyk(54.1%, 0%, 83.1%, 32.5%)
CIE-LABlab(62.72, -51.14, 58.64)
CIE-LCHlch(62.72, 77.80, 131.09°)
OKLaboklab(66.17% -0.1418 0.1291)
OKLCHoklch(66.17% 0.192 137.7)
XYZxyz(18.1981, 31.2546, 6.2359)
Luminance0.3126 (WCAG relative)
Temperaturewarm
Familyyellow-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
##4FAC1D1.002.907.257.25
#FFFFFF2.901.0021.0021.00
#0000007.2521.001.001.00
##0000007.2521.001.001.00

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 →

#4FAC1D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva