#4FB221#4FB221

#4FB221 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.8% C 0.197 H 138.3°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#4FB221
RGB	rgb(79, 178, 33)
HSL	hsl(101, 69%, 41%)
HSV	hsv(101, 81%, 70%)
CMYK	cmyk(55.6%, 0%, 81.5%, 30.2%)
CIE-LAB	lab(64.65, -53.16, 59.31)
CIE-LCH	lch(64.65, 79.64, 131.87°)
OKLab	oklab(67.77% -0.147 0.1311)
OKLCH	oklch(67.77% 0.197 138.3)
XYZ	xyz(19.4186, 33.6113, 6.9029)
Luminance	0.3361 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB221 #8421B2

analogous

#98B221 #4FB221 #21B23C

triadic

#4FB221 #214FB2 #B2214F

tetradic

#4FB221 #2198B2 #8421B2 #B23C21

square

#4FB221 #2198B2 #8421B2 #B23C21

split-complementary

#4FB221 #3C21B2 #B22198

monochromatic

#214B0E #387E17 #4FB221 #6ADA36 #91E36A

Accessibility & contrast

On white

2.72

#4FB221 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#4FB221 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB221

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB221	#FFFFFF	#000000	##000000
##4FB221	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AB9A33

Tritanopia (blue-blind)

#46AC98

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #4fb221;
/* rgb */ color: rgb(79, 178, 33);
/* oklch */ color: oklch(67.8% 0.197 138.3);

Tailwind

colors: {
  custom: {
    50: '#8bca6a',
    500: '#4fb221',
    950: '#000000',
  },
}

SCSS

$custom: #4fb221;
$custom-light: #8bca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb221",
  "rgb": {
    "r": 79,
    "g": 178,
    "b": 33
  },
  "hsl": {
    "h": 100.966,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67773,
    "c": 0.19696,
    "h": 138.3
  },
  "luminance": 0.33613
}

Semantic roles & 50–950 ramp

primary

#4FB221

secondary

#AA66C9

accent

#3CECB4

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FB221

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

Preview Lab → · Contrast checker → · Palette generator →