#4EB221#4EB221

#4EB221 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.7% C 0.197 H 138.4°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#4EB221
RGB	rgb(78, 178, 33)
HSL	hsl(101, 69%, 41%)
HSV	hsv(101, 81%, 70%)
CMYK	cmyk(56.2%, 0%, 81.5%, 30.2%)
CIE-LAB	lab(64.62, -53.43, 59.26)
CIE-LCH	lch(64.62, 79.79, 132.03°)
OKLab	oklab(67.74% -0.1477 0.131)
OKLCH	oklch(67.74% 0.197 138.4)
XYZ	xyz(19.3361, 33.5687, 6.8990)
Luminance	0.3357 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB221 #8521B2

analogous

#97B221 #4EB221 #21B23D

triadic

#4EB221 #214EB2 #B2214E

tetradic

#4EB221 #2197B2 #8521B2 #B23D21

square

#4EB221 #2197B2 #8521B2 #B23D21

split-complementary

#4EB221 #3D21B2 #B22197

monochromatic

#214B0E #377E17 #4EB221 #69DA36 #90E36A

Accessibility & contrast

On white

2.72

#4EB221 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#4EB221 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB221

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB221	#FFFFFF	#000000	##000000
##4EB221	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AB9A33

Tritanopia (blue-blind)

#45AC98

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #4eb221;
/* rgb */ color: rgb(78, 178, 33);
/* oklch */ color: oklch(67.7% 0.197 138.4);

Tailwind

colors: {
  custom: {
    50: '#8bca6a',
    500: '#4eb221',
    950: '#000000',
  },
}

SCSS

$custom: #4eb221;
$custom-light: #8bca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb221",
  "rgb": {
    "r": 78,
    "g": 178,
    "b": 33
  },
  "hsl": {
    "h": 101.379,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67735,
    "c": 0.1974,
    "h": 138.4
  },
  "luminance": 0.3357
}

Semantic roles & 50–950 ramp

primary

#4EB221

secondary

#AA66C9

accent

#3CECB5

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4EB221

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

Preview Lab → · Contrast checker → · Palette generator →