#4EC21F#4EC21F

#4EC21F is a light, highly saturated green. Relative luminance 0.403; OKLCH L 71.9% C 0.216 H 139.1°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#4EC21F
RGB	rgb(78, 194, 31)
HSL	hsl(103, 72%, 44%)
HSV	hsv(103, 84%, 76%)
CMYK	cmyk(59.8%, 0%, 84%, 23.9%)
CIE-LAB	lab(69.68, -59.20, 64.38)
CIE-LCH	lch(69.68, 87.46, 132.60°)
OKLab	oklab(71.92% -0.1632 0.1415)
OKLCH	oklch(71.92% 0.216 139.1)
XYZ	xyz(22.6800, 40.3001, 7.8796)
Luminance	0.4030 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC21F #931FC2

analogous

#A0C21F #4EC21F #1FC241

triadic

#4EC21F #1F4EC2 #C21F4E

tetradic

#4EC21F #1FA0C2 #931FC2 #C2411F

square

#4EC21F #1FA0C2 #931FC2 #C2411F

split-complementary

#4EC21F #411FC2 #C21FA0

monochromatic

#24580E #398D17 #4EC21F #6DE03E #95E973

Accessibility & contrast

On white

2.32

#4EC21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#4EC21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC21F

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC21F	#FFFFFF	#000000	##000000
##4EC21F	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)

#BAA735

Tritanopia (blue-blind)

#40BBA5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4ec21f;
/* rgb */ color: rgb(78, 194, 31);
/* oklch */ color: oklch(71.9% 0.216 139.1);

Tailwind

colors: {
  custom: {
    50: '#8dd56b',
    500: '#4ec21f',
    950: '#000000',
  },
}

SCSS

$custom: #4ec21f;
$custom-light: #8dd56b;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec21f",
  "rgb": {
    "r": 78,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 102.699,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.71918,
    "c": 0.216,
    "h": 139.1
  },
  "luminance": 0.40302
}

Semantic roles & 50–950 ramp

primary

#4EC21F

secondary

#B36DCF

accent

#39EFBB

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0E1408

muted

#7E837A

Preview Lab

Preview with #4EC21F

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

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