#4FA11F#4FA11F

#4FA11F is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.3% C 0.178 H 137.0°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4FA11F
RGB	rgb(79, 161, 31)
HSL	hsl(98, 68%, 38%)
HSV	hsv(98, 81%, 63%)
CMYK	cmyk(50.9%, 0%, 80.7%, 36.9%)
CIE-LAB	lab(59.20, -46.84, 54.84)
CIE-LCH	lch(59.20, 72.12, 130.50°)
OKLab	oklab(63.28% -0.1302 0.1214)
OKLCH	oklch(63.28% 0.178 137)
XYZ	xyz(16.2161, 27.2498, 5.7013)
Luminance	0.2725 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA11F #711FA1

analogous

#90A11F #4FA11F #1FA130

triadic

#4FA11F #1F4FA1 #A11F4F

tetradic

#4FA11F #1F90A1 #711FA1 #A1301F

square

#4FA11F #1F90A1 #711FA1 #A1301F

split-complementary

#4FA11F #301FA1 #A11F90

monochromatic

#1D3A0B #366E15 #4FA11F #68D429 #8CDF5B

Accessibility & contrast

On white

3.26

#4FA11F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#4FA11F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA11F

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA11F	#FFFFFF	#000000	##000000
##4FA11F	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79300

Deuteranopia (green-blind)

#9C8C2E

Tritanopia (blue-blind)

#4A9B89

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4fa11f;
/* rgb */ color: rgb(79, 161, 31);
/* oklch */ color: oklch(63.3% 0.178 137.0);

Tailwind

colors: {
  custom: {
    50: '#89bd66',
    500: '#4fa11f',
    950: '#000000',
  },
}

SCSS

$custom: #4fa11f;
$custom-light: #89bd66;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa11f",
  "rgb": {
    "r": 79,
    "g": 161,
    "b": 31
  },
  "hsl": {
    "h": 97.846,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.63279,
    "c": 0.17802,
    "h": 137
  },
  "luminance": 0.27251
}

Semantic roles & 50–950 ramp

primary

#4FA11F

secondary

#9C58C4

accent

#3DEBAB

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4FA11F

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

Preview Lab → · Contrast checker → · Palette generator →