#4FC21F#4FC21F

#4FC21F is a light, highly saturated green. Relative luminance 0.403; OKLCH L 72.0% C 0.216 H 139.0°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#4FC21F
RGB	rgb(79, 194, 31)
HSL	hsl(102, 72%, 44%)
HSV	hsv(102, 84%, 76%)
CMYK	cmyk(59.3%, 0%, 84%, 23.9%)
CIE-LAB	lab(69.71, -58.95, 64.42)
CIE-LCH	lch(69.71, 87.32, 132.46°)
OKLab	oklab(71.95% -0.1626 0.1416)
OKLCH	oklch(71.95% 0.216 139)
XYZ	xyz(22.7626, 40.3427, 7.8834)
Luminance	0.4034 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC21F #921FC2

analogous

#A1C21F #4FC21F #1FC241

triadic

#4FC21F #1F4FC2 #C21F4F

tetradic

#4FC21F #1FA1C2 #921FC2 #C2411F

square

#4FC21F #1FA1C2 #921FC2 #C2411F

split-complementary

#4FC21F #411FC2 #C21FA1

monochromatic

#24580E #3A8D17 #4FC21F #6EE03E #95E973

Accessibility & contrast

On white

2.32

#4FC21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#4FC21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC21F

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC21F	#FFFFFF	#000000	##000000
##4FC21F	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B000

Deuteranopia (green-blind)

#BAA735

Tritanopia (blue-blind)

#42BBA5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4fc21f;
/* rgb */ color: rgb(79, 194, 31);
/* oklch */ color: oklch(72.0% 0.216 139.0);

Tailwind

colors: {
  custom: {
    50: '#8ed56b',
    500: '#4fc21f',
    950: '#000000',
  },
}

SCSS

$custom: #4fc21f;
$custom-light: #8ed56b;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc21f",
  "rgb": {
    "r": 79,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 102.331,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.71952,
    "c": 0.2156,
    "h": 139
  },
  "luminance": 0.40345
}

Semantic roles & 50–950 ramp

primary

#4FC21F

secondary

#B36DCF

accent

#39EFB9

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0E1408

muted

#7E837A

Preview Lab

Preview with #4FC21F

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

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