#4FA021#4FA021

#4FA021 is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.0% C 0.176 H 137.0°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4FA021
RGB	rgb(79, 160, 33)
HSL	hsl(98, 66%, 38%)
HSV	hsv(98, 79%, 63%)
CMYK	cmyk(50.6%, 0%, 79.4%, 37.3%)
CIE-LAB	lab(58.89, -46.34, 53.93)
CIE-LCH	lch(58.89, 71.11, 130.67°)
OKLab	oklab(63.03% -0.1287 0.1198)
OKLCH	oklch(63.03% 0.176 137)
XYZ	xyz(16.0693, 26.9125, 5.7864)
Luminance	0.2691 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA021 #7221A0

analogous

#8EA021 #4FA021 #21A033

triadic

#4FA021 #214FA0 #A0214F

tetradic

#4FA021 #218EA0 #7221A0 #A03321

square

#4FA021 #218EA0 #7221A0 #A03321

split-complementary

#4FA021 #3321A0 #A0218E

monochromatic

#1D3B0C #366D17 #4FA021 #68D32B #8CDE5E

Accessibility & contrast

On white

3.29

#4FA021 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4FA021 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA021

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA021	#FFFFFF	#000000	##000000
##4FA021	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9B8B2F

Tritanopia (blue-blind)

#4A9A88

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4fa021;
/* rgb */ color: rgb(79, 160, 33);
/* oklch */ color: oklch(63.0% 0.176 137.0);

Tailwind

colors: {
  custom: {
    50: '#89bd67',
    500: '#4fa021',
    950: '#000000',
  },
}

SCSS

$custom: #4fa021;
$custom-light: #89bd67;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa021",
  "rgb": {
    "r": 79,
    "g": 160,
    "b": 33
  },
  "hsl": {
    "h": 98.268,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.63025,
    "c": 0.17585,
    "h": 137
  },
  "luminance": 0.26914
}

Semantic roles & 50–950 ramp

primary

#4FA021

secondary

#9D5BC2

accent

#3FE9AB

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #4FA021

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

Preview Lab → · Contrast checker → · Palette generator →