#4FA91F#4FA91F

#4FA91F is a light, vivid yellow-green. Relative luminance 0.301; OKLCH L 65.4% C 0.187 H 137.6°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#4FA91F
RGB	rgb(79, 169, 31)
HSL	hsl(99, 69%, 39%)
HSV	hsv(99, 82%, 66%)
CMYK	cmyk(53.3%, 0%, 81.7%, 33.7%)
CIE-LAB	lab(61.77, -49.91, 57.22)
CIE-LCH	lch(61.77, 75.93, 131.10°)
OKLab	oklab(65.39% -0.1384 0.1264)
OKLCH	oklch(65.39% 0.187 137.6)
XYZ	xyz(17.6591, 30.1358, 6.1823)
Luminance	0.3014 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA91F #791FA9

analogous

#94A91F #4FA91F #1FA934

triadic

#4FA91F #1F4FA9 #A91F4F

tetradic

#4FA91F #1F94A9 #791FA9 #A9341F

square

#4FA91F #1F94A9 #791FA9 #A9341F

split-complementary

#4FA91F #341FA9 #A91F94

monochromatic

#1F420C #377516 #4FA91F #68D82D #8EE260

Accessibility & contrast

On white

2.99

#4FA91F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#4FA91F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FA91F

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA91F	#FFFFFF	#000000	##000000
##4FA91F	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A39230

Tritanopia (blue-blind)

#48A390

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4fa91f;
/* rgb */ color: rgb(79, 169, 31);
/* oklch */ color: oklch(65.4% 0.187 137.6);

Tailwind

colors: {
  custom: {
    50: '#8ac368',
    500: '#4fa91f',
    950: '#000000',
  },
}

SCSS

$custom: #4fa91f;
$custom-light: #8ac368;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa91f",
  "rgb": {
    "r": 79,
    "g": 169,
    "b": 31
  },
  "hsl": {
    "h": 99.13,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.65393,
    "c": 0.18745,
    "h": 137.6
  },
  "luminance": 0.30137
}

Semantic roles & 50–950 ramp

primary

#4FA91F

secondary

#A25DC7

accent

#3CECAF

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FA91F

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

Preview Lab → · Contrast checker → · Palette generator →