#4EC221#4EC221

#4EC221 is a light, highly saturated green. Relative luminance 0.403; OKLCH L 71.9% C 0.215 H 139.2°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#4EC221
RGB	rgb(78, 194, 33)
HSL	hsl(103, 71%, 45%)
HSV	hsv(103, 83%, 76%)
CMYK	cmyk(59.8%, 0%, 83%, 23.9%)
CIE-LAB	lab(69.69, -59.11, 63.90)
CIE-LCH	lch(69.69, 87.04, 132.77°)
OKLab	oklab(71.93% -0.1629 0.1407)
OKLCH	oklch(71.93% 0.215 139.2)
XYZ	xyz(22.7072, 40.3110, 8.0227)
Luminance	0.4031 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC221 #9521C2

analogous

#9FC221 #4EC221 #21C245

triadic

#4EC221 #214EC2 #C2214E

tetradic

#4EC221 #219FC2 #9521C2 #C24521

square

#4EC221 #219FC2 #9521C2 #C24521

split-complementary

#4EC221 #4521C2 #C2219F

monochromatic

#24590F #398E18 #4EC221 #6DDF41 #96E876

Accessibility & contrast

On white

2.32

#4EC221 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#4EC221 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC221

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC221	#FFFFFF	#000000	##000000
##4EC221	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B000

Deuteranopia (green-blind)

#BAA736

Tritanopia (blue-blind)

#40BBA5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4ec221;
/* rgb */ color: rgb(78, 194, 33);
/* oklch */ color: oklch(71.9% 0.215 139.2);

Tailwind

colors: {
  custom: {
    50: '#8dd56c',
    500: '#4ec221',
    950: '#000000',
  },
}

SCSS

$custom: #4ec221;
$custom-light: #8dd56c;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec221",
  "rgb": {
    "r": 78,
    "g": 194,
    "b": 33
  },
  "hsl": {
    "h": 103.23,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71927,
    "c": 0.21526,
    "h": 139.2
  },
  "luminance": 0.40313
}

Semantic roles & 50–950 ramp

primary

#4EC221

secondary

#B470CF

accent

#3AEEBB

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0E1408

muted

#7E837A

Preview Lab

Preview with #4EC221

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

Preview Lab → · Contrast checker → · Palette generator →