#4FC21E#4FC21E

#4FC21E is a light, highly saturated green. Relative luminance 0.403; OKLCH L 71.9% C 0.216 H 138.9°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#4FC21E
RGB	rgb(79, 194, 30)
HSL	hsl(102, 73%, 44%)
HSV	hsv(102, 85%, 76%)
CMYK	cmyk(59.3%, 0%, 84.5%, 23.9%)
CIE-LAB	lab(69.71, -58.99, 64.66)
CIE-LCH	lch(69.71, 87.53, 132.38°)
OKLab	oklab(71.95% -0.1628 0.1419)
OKLCH	oklch(71.95% 0.216 138.9)
XYZ	xyz(22.7497, 40.3375, 7.8151)
Luminance	0.4034 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC21E #911EC2

analogous

#A1C21E #4FC21E #1EC23F

triadic

#4FC21E #1E4FC2 #C21E4F

tetradic

#4FC21E #1EA1C2 #911EC2 #C23F1E

square

#4FC21E #1EA1C2 #911EC2 #C23F1E

split-complementary

#4FC21E #3F1EC2 #C21EA1

monochromatic

#24580E #398D16 #4FC21E #6DE13C #95E971

Accessibility & contrast

On white

2.32

#4FC21E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#4FC21E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC21E

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC21E	#FFFFFF	#000000	##000000
##4FC21E	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)

#BAA734

Tritanopia (blue-blind)

#42BBA5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4fc21e;
/* rgb */ color: rgb(79, 194, 30);
/* oklch */ color: oklch(71.9% 0.216 138.9);

Tailwind

colors: {
  custom: {
    50: '#8ed56b',
    500: '#4fc21e',
    950: '#000000',
  },
}

SCSS

$custom: #4fc21e;
$custom-light: #8ed56b;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc21e",
  "rgb": {
    "r": 79,
    "g": 194,
    "b": 30
  },
  "hsl": {
    "h": 102.073,
    "s": 73.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.71947,
    "c": 0.21596,
    "h": 138.9
  },
  "luminance": 0.4034
}

Semantic roles & 50–950 ramp

primary

#4FC21E

secondary

#B26CD0

accent

#38F0B9

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0E1408

muted

#7E837A

Preview Lab

Preview with #4FC21E

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

Preview Lab → · Contrast checker → · Palette generator →