#4FA423#4FA423

#4FA423 is a light, vivid yellow-green. Relative luminance 0.283; OKLCH L 64.1% C 0.180 H 137.5°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4FA423
RGB	rgb(79, 164, 35)
HSL	hsl(100, 65%, 39%)
HSV	hsv(100, 79%, 64%)
CMYK	cmyk(51.8%, 0%, 78.7%, 35.7%)
CIE-LAB	lab(60.19, -47.78, 54.53)
CIE-LCH	lch(60.19, 72.50, 131.23°)
OKLab	oklab(64.1% -0.1325 0.1214)
OKLCH	oklch(64.1% 0.18 137.5)
XYZ	xyz(16.8027, 28.3333, 6.1732)
Luminance	0.2833 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA423 #7823A4

analogous

#90A423 #4FA423 #23A438

triadic

#4FA423 #234FA4 #A4234F

tetradic

#4FA423 #2390A4 #7823A4 #A43823

square

#4FA423 #2390A4 #7823A4 #A43823

split-complementary

#4FA423 #3823A4 #A42390

monochromatic

#1E3F0D #377218 #4FA423 #68D331 #8DDE64

Accessibility & contrast

On white

3.15

#4FA423 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#4FA423 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA423

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA423	#FFFFFF	#000000	##000000
##4FA423	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#9F8E31

Tritanopia (blue-blind)

#499E8C

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4fa423;
/* rgb */ color: rgb(79, 164, 35);
/* oklch */ color: oklch(64.1% 0.180 137.5);

Tailwind

colors: {
  custom: {
    50: '#89c069',
    500: '#4fa423',
    950: '#000000',
  },
}

SCSS

$custom: #4fa423;
$custom-light: #89c069;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa423",
  "rgb": {
    "r": 79,
    "g": 164,
    "b": 35
  },
  "hsl": {
    "h": 99.535,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.64095,
    "c": 0.17966,
    "h": 137.5
  },
  "luminance": 0.28335
}

Semantic roles & 50–950 ramp

primary

#4FA423

secondary

#A160C3

accent

#40E8AF

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #4FA423

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

Preview Lab → · Contrast checker → · Palette generator →