#4FAC1F#4FAC1F

#4FAC1F is a light, vivid yellow-green. Relative luminance 0.313; OKLCH L 66.2% C 0.191 H 137.8°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#4FAC1F
RGB	rgb(79, 172, 31)
HSL	hsl(100, 69%, 40%)
HSV	hsv(100, 82%, 67%)
CMYK	cmyk(54.1%, 0%, 82%, 32.5%)
CIE-LAB	lab(62.73, -51.04, 58.10)
CIE-LCH	lch(62.73, 77.33, 131.30°)
OKLab	oklab(66.18% -0.1414 0.1283)
OKLCH	oklch(66.18% 0.191 137.8)
XYZ	xyz(18.2237, 31.2648, 6.3705)
Luminance	0.3127 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FAC1F #7C1FAC

analogous

#96AC1F #4FAC1F #1FAC35

triadic

#4FAC1F #1F4FAC #AC1F4F

tetradic

#4FAC1F #1F96AC #7C1FAC #AC351F

square

#4FAC1F #1F96AC #7C1FAC #AC351F

split-complementary

#4FAC1F #351FAC #AC1F96

monochromatic

#1F440C #377816 #4FAC1F #69D92F #8EE363

Accessibility & contrast

On white

2.90

#4FAC1F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#4FAC1F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FAC1F

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FAC1F	#FFFFFF	#000000	##000000
##4FAC1F	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)

#A69530

Tritanopia (blue-blind)

#48A693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #4fac1f;
/* rgb */ color: rgb(79, 172, 31);
/* oklch */ color: oklch(66.2% 0.191 137.8);

Tailwind

colors: {
  custom: {
    50: '#8ac568',
    500: '#4fac1f',
    950: '#000000',
  },
}

SCSS

$custom: #4fac1f;
$custom-light: #8ac568;
$custom-dark: #000000;

JSON

{
  "hex": "#4fac1f",
  "rgb": {
    "r": 79,
    "g": 172,
    "b": 31
  },
  "hsl": {
    "h": 99.574,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.66184,
    "c": 0.19093,
    "h": 137.8
  },
  "luminance": 0.31266
}

Semantic roles & 50–950 ramp

primary

#4FAC1F

secondary

#A45FC8

accent

#3CECB0

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FAC1F

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

Preview Lab → · Contrast checker → · Palette generator →